Home / 125,598,481.92-188,205,408-84,505,697.28

Finding the Fourth Proportional to 125,598,481.92, 188,205,408 and 84,505,697.28

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Solution

The fourth proportional to 125,598,481.92, 188,205,408 and 84,505,697.28 is: 126,629,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,598,481.92 : 188,205,408 = 84,505,697.28 : x
  2. Step 2: Convert to fraction form
    125,598,481.92/188,205,408 = 84,505,697.28/x
  3. Step 3: Cross multiply
    125,598,481.92x = 188,205,408 × 84,505,697.28
  4. Step 4: Simplify right side
    125,598,481.92x = 15,904,429,234,906,890
  5. Step 5: Solve for x
    x = 15,904,429,234,906,890/125,598,481.92
  6. Step 6: Final answer
    x = 126,629,151.82

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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.