Finding the Fourth Proportional to 88,212,437.40, 132,318,656.10 and 84,244,344.60
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Solution
The fourth proportional to 88,212,437.40, 132,318,656.10 and 84,244,344.60 is: 126,366,516.90
Step by Step Solution
- Step 1: Write the proportion equation
88,212,437.40 : 132,318,656.10 = 84,244,344.60 : x - Step 2: Convert to fraction form
88,212,437.40/132,318,656.10 = 84,244,344.60/x - Step 3: Cross multiply
88,212,437.40x = 132,318,656.10 × 84,244,344.60 - Step 4: Simplify right side
88,212,437.40x = 11,147,098,461,497,290 - Step 5: Solve for x
x = 11,147,098,461,497,290/88,212,437.40 - Step 6: Final answer
x = 126,366,516.90
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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.