Finding the Fourth Proportional to 88,569,657.70, 132,854,486.55 and 40,793,913.70
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Solution
The fourth proportional to 88,569,657.70, 132,854,486.55 and 40,793,913.70 is: 61,190,870.55
Step by Step Solution
- Step 1: Write the proportion equation
88,569,657.70 : 132,854,486.55 = 40,793,913.70 : x - Step 2: Convert to fraction form
88,569,657.70/132,854,486.55 = 40,793,913.70/x - Step 3: Cross multiply
88,569,657.70x = 132,854,486.55 × 40,793,913.70 - Step 4: Simplify right side
88,569,657.70x = 5,419,654,458,978,511 - Step 5: Solve for x
x = 5,419,654,458,978,511/88,569,657.70 - Step 6: Final answer
x = 61,190,870.55
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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.