Home / 84,455,904.60-126,524,424.60-43,375,515.30

Finding the Fourth Proportional to 84,455,904.60, 126,524,424.60 and 43,375,515.30

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Solution

The fourth proportional to 84,455,904.60, 126,524,424.60 and 43,375,515.30 is: 64,981,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,455,904.60 : 126,524,424.60 = 43,375,515.30 : x
  2. Step 2: Convert to fraction form
    84,455,904.60/126,524,424.60 = 43,375,515.30/x
  3. Step 3: Cross multiply
    84,455,904.60x = 126,524,424.60 × 43,375,515.30
  4. Step 4: Simplify right side
    84,455,904.60x = 5,488,062,115,060,996
  5. Step 5: Solve for x
    x = 5,488,062,115,060,996/84,455,904.60
  6. Step 6: Final answer
    x = 64,981,390.48

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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.