Finding the Fourth Proportional to 121,107,780.90, 181,689,489.99 and 34,846,902.18
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Solution
The fourth proportional to 121,107,780.90, 181,689,489.99 and 34,846,902.18 is: 52,278,357.66
Step by Step Solution
- Step 1: Write the proportion equation
121,107,780.90 : 181,689,489.99 = 34,846,902.18 : x - Step 2: Convert to fraction form
121,107,780.90/181,689,489.99 = 34,846,902.18/x - Step 3: Cross multiply
121,107,780.90x = 181,689,489.99 × 34,846,902.18 - Step 4: Simplify right side
121,107,780.90x = 6,331,315,884,815,619 - Step 5: Solve for x
x = 6,331,315,884,815,619/121,107,780.90 - Step 6: Final answer
x = 52,278,357.66
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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.