Finding the Fourth Proportional to 90,933,349.64, 125,488,072.84 and 49,117,414.75
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Solution
The fourth proportional to 90,933,349.64, 125,488,072.84 and 49,117,414.75 is: 67,782,059.54
Step by Step Solution
- Step 1: Write the proportion equation
90,933,349.64 : 125,488,072.84 = 49,117,414.75 : x - Step 2: Convert to fraction form
90,933,349.64/125,488,072.84 = 49,117,414.75/x - Step 3: Cross multiply
90,933,349.64x = 125,488,072.84 × 49,117,414.75 - Step 4: Simplify right side
90,933,349.64x = 6,163,649,719,860,491 - Step 5: Solve for x
x = 6,163,649,719,860,491/90,933,349.64 - Step 6: Final answer
x = 67,782,059.54
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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.