Home / 74,253,904.20-111,380,856.30-54,098,512.20

Finding the Fourth Proportional to 74,253,904.20, 111,380,856.30 and 54,098,512.20

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Solution

The fourth proportional to 74,253,904.20, 111,380,856.30 and 54,098,512.20 is: 81,147,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,253,904.20 : 111,380,856.30 = 54,098,512.20 : x
  2. Step 2: Convert to fraction form
    74,253,904.20/111,380,856.30 = 54,098,512.20/x
  3. Step 3: Cross multiply
    74,253,904.20x = 111,380,856.30 × 54,098,512.20
  4. Step 4: Simplify right side
    74,253,904.20x = 6,025,538,613,391,997
  5. Step 5: Solve for x
    x = 6,025,538,613,391,997/74,253,904.20
  6. Step 6: Final answer
    x = 81,147,768.30

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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.