Home / 57,187,439.78-78,951,074.79-43,750,825.42

Finding the Fourth Proportional to 57,187,439.78, 78,951,074.79 and 43,750,825.42

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Solution

The fourth proportional to 57,187,439.78, 78,951,074.79 and 43,750,825.42 is: 60,400,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,187,439.78 : 78,951,074.79 = 43,750,825.42 : x
  2. Step 2: Convert to fraction form
    57,187,439.78/78,951,074.79 = 43,750,825.42/x
  3. Step 3: Cross multiply
    57,187,439.78x = 78,951,074.79 × 43,750,825.42
  4. Step 4: Simplify right side
    57,187,439.78x = 3,454,174,689,245,143.50
  5. Step 5: Solve for x
    x = 3,454,174,689,245,143.50/57,187,439.78
  6. Step 6: Final answer
    x = 60,400,932.49

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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.