Home / 131,456,529.28-197,202,737.08-54,761,617.76

Finding the Fourth Proportional to 131,456,529.28, 197,202,737.08 and 54,761,617.76

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Solution

The fourth proportional to 131,456,529.28, 197,202,737.08 and 54,761,617.76 is: 82,149,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,456,529.28 : 197,202,737.08 = 54,761,617.76 : x
  2. Step 2: Convert to fraction form
    131,456,529.28/197,202,737.08 = 54,761,617.76/x
  3. Step 3: Cross multiply
    131,456,529.28x = 197,202,737.08 × 54,761,617.76
  4. Step 4: Simplify right side
    131,456,529.28x = 10,799,140,909,200,738
  5. Step 5: Solve for x
    x = 10,799,140,909,200,738/131,456,529.28
  6. Step 6: Final answer
    x = 82,149,901.33

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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.