The balance sheet provides an overview of the state of a company's finances at a moment in time. It cannot give a sense of the trends playing out over a longer period on its own. For this reason, the balance sheet should be compared with those of previous periods.1

Investors can get a sense of a company's financial well-being by using a number of ratios that can be derived from a balance sheet, including the debt-to-equity ratio and the acid-test ratio, along with many others. The income statement and statement of cash flows also provide valuable context for assessing a company's finances, as do any notes or addenda in an earnings report that might refer back to the balance sheet.1
 

The balance sheet adheres to the following accounting equation, with assets on one side, and liabilities plus shareholder equity on the other, balance out:

Assets=Liabilities+Shareholders’ EquityAssets=Liabilities+Shareholders’ Equity