Home / 225,449,919.20-338,068,289.28-87,340,227.68

Finding the Fourth Proportional to 225,449,919.20, 338,068,289.28 and 87,340,227.68

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Solution

The fourth proportional to 225,449,919.20, 338,068,289.28 and 87,340,227.68 is: 130,969,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,449,919.20 : 338,068,289.28 = 87,340,227.68 : x
  2. Step 2: Convert to fraction form
    225,449,919.20/338,068,289.28 = 87,340,227.68/x
  3. Step 3: Cross multiply
    225,449,919.20x = 338,068,289.28 × 87,340,227.68
  4. Step 4: Simplify right side
    225,449,919.20x = 29,526,961,358,276,000
  5. Step 5: Solve for x
    x = 29,526,961,358,276,000/225,449,919.20
  6. Step 6: Final answer
    x = 130,969,048.30

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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.