Home / 80,753,134.54-111,439,778.31-45,945,824.26

Finding the Fourth Proportional to 80,753,134.54, 111,439,778.31 and 45,945,824.26

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Solution

The fourth proportional to 80,753,134.54, 111,439,778.31 and 45,945,824.26 is: 63,405,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,753,134.54 : 111,439,778.31 = 45,945,824.26 : x
  2. Step 2: Convert to fraction form
    80,753,134.54/111,439,778.31 = 45,945,824.26/x
  3. Step 3: Cross multiply
    80,753,134.54x = 111,439,778.31 × 45,945,824.26
  4. Step 4: Simplify right side
    80,753,134.54x = 5,120,192,469,804,620
  5. Step 5: Solve for x
    x = 5,120,192,469,804,620/80,753,134.54
  6. Step 6: Final answer
    x = 63,405,495.02

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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.