Finding the Fourth Proportional to 87,960,464.20, 132,192,638.70 and 76,874,998.60
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Solution
The fourth proportional to 87,960,464.20, 132,192,638.70 and 76,874,998.60 is: 115,532,688.55
Step by Step Solution
- Step 1: Write the proportion equation
87,960,464.20 : 132,192,638.70 = 76,874,998.60 : x - Step 2: Convert to fraction form
87,960,464.20/132,192,638.70 = 76,874,998.60/x - Step 3: Cross multiply
87,960,464.20x = 132,192,638.70 × 76,874,998.60 - Step 4: Simplify right side
87,960,464.20x = 10,162,308,914,992,806 - Step 5: Solve for x
x = 10,162,308,914,992,806/87,960,464.20 - Step 6: Final answer
x = 115,532,688.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.