Home / 168,930,433.60-253,491,507.60-91,206,301.84

Finding the Fourth Proportional to 168,930,433.60, 253,491,507.60 and 91,206,301.84

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Solution

The fourth proportional to 168,930,433.60, 253,491,507.60 and 91,206,301.84 is: 136,861,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,930,433.60 : 253,491,507.60 = 91,206,301.84 : x
  2. Step 2: Convert to fraction form
    168,930,433.60/253,491,507.60 = 91,206,301.84/x
  3. Step 3: Cross multiply
    168,930,433.60x = 253,491,507.60 × 91,206,301.84
  4. Step 4: Simplify right side
    168,930,433.60x = 23,120,022,956,042,256
  5. Step 5: Solve for x
    x = 23,120,022,956,042,256/168,930,433.60
  6. Step 6: Final answer
    x = 136,861,206.49

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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.