Finding the Fourth Proportional to 144,006,121.20, 198,729,648.84 and 84,502,997.96
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Solution
The fourth proportional to 144,006,121.20, 198,729,648.84 and 84,502,997.96 is: 116,614,842.28
Step by Step Solution
- Step 1: Write the proportion equation
144,006,121.20 : 198,729,648.84 = 84,502,997.96 : x - Step 2: Convert to fraction form
144,006,121.20/198,729,648.84 = 84,502,997.96/x - Step 3: Cross multiply
144,006,121.20x = 198,729,648.84 × 84,502,997.96 - Step 4: Simplify right side
144,006,121.20x = 16,793,251,110,518,036 - Step 5: Solve for x
x = 16,793,251,110,518,036/144,006,121.20 - Step 6: Final answer
x = 116,614,842.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.