Finding the Fourth Proportional to 308,098,463.27, 425,186,161.70 and 168,869,581.79
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Solution
The fourth proportional to 308,098,463.27, 425,186,161.70 and 168,869,581.79 is: 233,045,658.67
Step by Step Solution
- Step 1: Write the proportion equation
308,098,463.27 : 425,186,161.70 = 168,869,581.79 : x - Step 2: Convert to fraction form
308,098,463.27/425,186,161.70 = 168,869,581.79/x - Step 3: Cross multiply
308,098,463.27x = 425,186,161.70 × 168,869,581.79 - Step 4: Simplify right side
308,098,463.27x = 71,801,009,306,204,032 - Step 5: Solve for x
x = 71,801,009,306,204,032/308,098,463.27 - Step 6: Final answer
x = 233,045,658.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.