Finding the Fourth Proportional to 120,225,472.26, 165,897,154.82 and 67,305,077.75
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Solution
The fourth proportional to 120,225,472.26, 165,897,154.82 and 67,305,077.75 is: 92,873,171.49
Step by Step Solution
- Step 1: Write the proportion equation
120,225,472.26 : 165,897,154.82 = 67,305,077.75 : x - Step 2: Convert to fraction form
120,225,472.26/165,897,154.82 = 67,305,077.75/x - Step 3: Cross multiply
120,225,472.26x = 165,897,154.82 × 67,305,077.75 - Step 4: Simplify right side
120,225,472.26x = 11,165,720,902,497,876 - Step 5: Solve for x
x = 11,165,720,902,497,876/120,225,472.26 - Step 6: Final answer
x = 92,873,171.49
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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.