Finding the Fourth Proportional to 88,087,953.60, 121,557,261.60 and 48,932,251.20
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Solution
The fourth proportional to 88,087,953.60, 121,557,261.60 and 48,932,251.20 is: 67,524,221.15
Step by Step Solution
- Step 1: Write the proportion equation
88,087,953.60 : 121,557,261.60 = 48,932,251.20 : x - Step 2: Convert to fraction form
88,087,953.60/121,557,261.60 = 48,932,251.20/x - Step 3: Cross multiply
88,087,953.60x = 121,557,261.60 × 48,932,251.20 - Step 4: Simplify right side
88,087,953.60x = 5,948,070,459,795,314 - Step 5: Solve for x
x = 5,948,070,459,795,314/88,087,953.60 - Step 6: Final answer
x = 67,524,221.15
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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.