Home / 87,101,225.70-120,198,737.61-47,942,165.22

Finding the Fourth Proportional to 87,101,225.70, 120,198,737.61 and 47,942,165.22

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Solution

The fourth proportional to 87,101,225.70, 120,198,737.61 and 47,942,165.22 is: 66,159,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,101,225.70 : 120,198,737.61 = 47,942,165.22 : x
  2. Step 2: Convert to fraction form
    87,101,225.70/120,198,737.61 = 47,942,165.22/x
  3. Step 3: Cross multiply
    87,101,225.70x = 120,198,737.61 × 47,942,165.22
  4. Step 4: Simplify right side
    87,101,225.70x = 5,762,587,737,734,048
  5. Step 5: Solve for x
    x = 5,762,587,737,734,048/87,101,225.70
  6. Step 6: Final answer
    x = 66,159,662.98

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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.