Finding the Fourth Proportional to 132,489,575.13, 198,755,933.01 and 39,125,990.28
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Solution
The fourth proportional to 132,489,575.13, 198,755,933.01 and 39,125,990.28 is: 58,695,355.43
Step by Step Solution
- Step 1: Write the proportion equation
132,489,575.13 : 198,755,933.01 = 39,125,990.28 : x - Step 2: Convert to fraction form
132,489,575.13/198,755,933.01 = 39,125,990.28/x - Step 3: Cross multiply
132,489,575.13x = 198,755,933.01 × 39,125,990.28 - Step 4: Simplify right side
132,489,575.13x = 7,776,522,703,041,591 - Step 5: Solve for x
x = 7,776,522,703,041,591/132,489,575.13 - Step 6: Final answer
x = 58,695,355.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.