Home / 87,689,737.20-122,967,186-87,689,737.20

Finding the Fourth Proportional to 87,689,737.20, 122,967,186 and 87,689,737.20

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Solution

The fourth proportional to 87,689,737.20, 122,967,186 and 87,689,737.20 is: 122,967,186

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,689,737.20 : 122,967,186 = 87,689,737.20 : x
  2. Step 2: Convert to fraction form
    87,689,737.20/122,967,186 = 87,689,737.20/x
  3. Step 3: Cross multiply
    87,689,737.20x = 122,967,186 × 87,689,737.20
  4. Step 4: Simplify right side
    87,689,737.20x = 10,782,960,224,563,520
  5. Step 5: Solve for x
    x = 10,782,960,224,563,520/87,689,737.20
  6. Step 6: Final answer
    x = 122,967,186

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.