Home / 147,015,273.40-220,522,910.10-139,840,819.90

Finding the Fourth Proportional to 147,015,273.40, 220,522,910.10 and 139,840,819.90

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Solution

The fourth proportional to 147,015,273.40, 220,522,910.10 and 139,840,819.90 is: 209,761,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,015,273.40 : 220,522,910.10 = 139,840,819.90 : x
  2. Step 2: Convert to fraction form
    147,015,273.40/220,522,910.10 = 139,840,819.90/x
  3. Step 3: Cross multiply
    147,015,273.40x = 220,522,910.10 × 139,840,819.90
  4. Step 4: Simplify right side
    147,015,273.40x = 30,838,104,555,117,992
  5. Step 5: Solve for x
    x = 30,838,104,555,117,992/147,015,273.40
  6. Step 6: Final answer
    x = 209,761,229.85

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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.