Finding the Fourth Proportional to 84,134,343.60, 126,215,462.76 and 29,532,761.52
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Solution
The fourth proportional to 84,134,343.60, 126,215,462.76 and 29,532,761.52 is: 44,304,038.07
Step by Step Solution
- Step 1: Write the proportion equation
84,134,343.60 : 126,215,462.76 = 29,532,761.52 : x - Step 2: Convert to fraction form
84,134,343.60/126,215,462.76 = 29,532,761.52/x - Step 3: Cross multiply
84,134,343.60x = 126,215,462.76 × 29,532,761.52 - Step 4: Simplify right side
84,134,343.60x = 3,727,491,161,827,521 - Step 5: Solve for x
x = 3,727,491,161,827,521/84,134,343.60 - Step 6: Final answer
x = 44,304,038.07
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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.