Finding the Fourth Proportional to 121,344,428.20, 182,016,642.30 and 44,722,445.80
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Solution
The fourth proportional to 121,344,428.20, 182,016,642.30 and 44,722,445.80 is: 67,083,668.70
Step by Step Solution
- Step 1: Write the proportion equation
121,344,428.20 : 182,016,642.30 = 44,722,445.80 : x - Step 2: Convert to fraction form
121,344,428.20/182,016,642.30 = 44,722,445.80/x - Step 3: Cross multiply
121,344,428.20x = 182,016,642.30 × 44,722,445.80 - Step 4: Simplify right side
121,344,428.20x = 8,140,229,419,959,737 - Step 5: Solve for x
x = 8,140,229,419,959,737/121,344,428.20 - Step 6: Final answer
x = 67,083,668.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.