Finding the Fourth Proportional to 142,916,584.10, 214,374,876.15 and 88,497,025.70
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Solution
The fourth proportional to 142,916,584.10, 214,374,876.15 and 88,497,025.70 is: 132,745,538.55
Step by Step Solution
- Step 1: Write the proportion equation
142,916,584.10 : 214,374,876.15 = 88,497,025.70 : x - Step 2: Convert to fraction form
142,916,584.10/214,374,876.15 = 88,497,025.70/x - Step 3: Cross multiply
142,916,584.10x = 214,374,876.15 × 88,497,025.70 - Step 4: Simplify right side
142,916,584.10x = 18,971,538,924,080,868 - Step 5: Solve for x
x = 18,971,538,924,080,868/142,916,584.10 - Step 6: Final answer
x = 132,745,538.55
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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.