Home / 84,455,901.60-126,524,420.10-43,375,512.30

Finding the Fourth Proportional to 84,455,901.60, 126,524,420.10 and 43,375,512.30

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Solution

The fourth proportional to 84,455,901.60, 126,524,420.10 and 43,375,512.30 is: 64,981,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,455,901.60 : 126,524,420.10 = 43,375,512.30 : x
  2. Step 2: Convert to fraction form
    84,455,901.60/126,524,420.10 = 43,375,512.30/x
  3. Step 3: Cross multiply
    84,455,901.60x = 126,524,420.10 × 43,375,512.30
  4. Step 4: Simplify right side
    84,455,901.60x = 5,488,061,540,297,917
  5. Step 5: Solve for x
    x = 5,488,061,540,297,917/84,455,901.60
  6. Step 6: Final answer
    x = 64,981,385.98

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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.