Finding the Fourth Proportional to 79,703,432.85, 109,987,338.96 and 44,419,360.44
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Solution
The fourth proportional to 79,703,432.85, 109,987,338.96 and 44,419,360.44 is: 61,296,823.47
Step by Step Solution
- Step 1: Write the proportion equation
79,703,432.85 : 109,987,338.96 = 44,419,360.44 : x - Step 2: Convert to fraction form
79,703,432.85/109,987,338.96 = 44,419,360.44/x - Step 3: Cross multiply
79,703,432.85x = 109,987,338.96 × 44,419,360.44 - Step 4: Simplify right side
79,703,432.85x = 4,885,567,253,100,694 - Step 5: Solve for x
x = 4,885,567,253,100,694/79,703,432.85 - Step 6: Final answer
x = 61,296,823.47
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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.