Finding the Fourth Proportional to 86,672,766.36, 129,971,353.50 and 32,782,287
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Solution
The fourth proportional to 86,672,766.36, 129,971,353.50 and 32,782,287 is: 49,159,134.88
Step by Step Solution
- Step 1: Write the proportion equation
86,672,766.36 : 129,971,353.50 = 32,782,287 : x - Step 2: Convert to fraction form
86,672,766.36/129,971,353.50 = 32,782,287/x - Step 3: Cross multiply
86,672,766.36x = 129,971,353.50 × 32,782,287 - Step 4: Simplify right side
86,672,766.36x = 4,260,758,212,215,454.50 - Step 5: Solve for x
x = 4,260,758,212,215,454.50/86,672,766.36 - Step 6: Final answer
x = 49,159,134.88
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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.