Home / 87,942,707.80-131,914,061.70-39,369,000.40

Finding the Fourth Proportional to 87,942,707.80, 131,914,061.70 and 39,369,000.40

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Solution

The fourth proportional to 87,942,707.80, 131,914,061.70 and 39,369,000.40 is: 59,053,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,942,707.80 : 131,914,061.70 = 39,369,000.40 : x
  2. Step 2: Convert to fraction form
    87,942,707.80/131,914,061.70 = 39,369,000.40/x
  3. Step 3: Cross multiply
    87,942,707.80x = 131,914,061.70 × 39,369,000.40
  4. Step 4: Simplify right side
    87,942,707.80x = 5,193,324,747,832,925
  5. Step 5: Solve for x
    x = 5,193,324,747,832,925/87,942,707.80
  6. Step 6: Final answer
    x = 59,053,500.60

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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.