Finding the Fourth Proportional to 132,489,581.13, 198,755,942.01 and 39,125,996.28
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Solution
The fourth proportional to 132,489,581.13, 198,755,942.01 and 39,125,996.28 is: 58,695,364.43
Step by Step Solution
- Step 1: Write the proportion equation
132,489,581.13 : 198,755,942.01 = 39,125,996.28 : x - Step 2: Convert to fraction form
132,489,581.13/198,755,942.01 = 39,125,996.28/x - Step 3: Cross multiply
132,489,581.13x = 198,755,942.01 × 39,125,996.28 - Step 4: Simplify right side
132,489,581.13x = 7,776,524,247,711,156 - Step 5: Solve for x
x = 7,776,524,247,711,156/132,489,581.13 - Step 6: Final answer
x = 58,695,364.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.