Home / 87,469,006.16-120,706,510.85-47,776,562.24

Finding the Fourth Proportional to 87,469,006.16, 120,706,510.85 and 47,776,562.24

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Solution

The fourth proportional to 87,469,006.16, 120,706,510.85 and 47,776,562.24 is: 65,931,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,469,006.16 : 120,706,510.85 = 47,776,562.24 : x
  2. Step 2: Convert to fraction form
    87,469,006.16/120,706,510.85 = 47,776,562.24/x
  3. Step 3: Cross multiply
    87,469,006.16x = 120,706,510.85 × 47,776,562.24
  4. Step 4: Simplify right side
    87,469,006.16x = 5,766,942,128,003,989
  5. Step 5: Solve for x
    x = 5,766,942,128,003,989/87,469,006.16
  6. Step 6: Final answer
    x = 65,931,263.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.