Home / 87,942,708.30-131,914,062.45-39,369,000.90

Finding the Fourth Proportional to 87,942,708.30, 131,914,062.45 and 39,369,000.90

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Solution

The fourth proportional to 87,942,708.30, 131,914,062.45 and 39,369,000.90 is: 59,053,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,942,708.30 : 131,914,062.45 = 39,369,000.90 : x
  2. Step 2: Convert to fraction form
    87,942,708.30/131,914,062.45 = 39,369,000.90/x
  3. Step 3: Cross multiply
    87,942,708.30x = 131,914,062.45 × 39,369,000.90
  4. Step 4: Simplify right side
    87,942,708.30x = 5,193,324,843,316,706
  5. Step 5: Solve for x
    x = 5,193,324,843,316,706/87,942,708.30
  6. Step 6: Final answer
    x = 59,053,501.35

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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.