Home / 81,100,553.41-111,919,301.11-43,930,833.69

Finding the Fourth Proportional to 81,100,553.41, 111,919,301.11 and 43,930,833.69

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Solution

The fourth proportional to 81,100,553.41, 111,919,301.11 and 43,930,833.69 is: 60,624,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,100,553.41 : 111,919,301.11 = 43,930,833.69 : x
  2. Step 2: Convert to fraction form
    81,100,553.41/111,919,301.11 = 43,930,833.69/x
  3. Step 3: Cross multiply
    81,100,553.41x = 111,919,301.11 × 43,930,833.69
  4. Step 4: Simplify right side
    81,100,553.41x = 4,916,708,203,764,442
  5. Step 5: Solve for x
    x = 4,916,708,203,764,442/81,100,553.41
  6. Step 6: Final answer
    x = 60,624,841.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.