Home / 56,667,765.20-84,859,930.20-45,330,357.20

Finding the Fourth Proportional to 56,667,765.20, 84,859,930.20 and 45,330,357.20

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Solution

The fourth proportional to 56,667,765.20, 84,859,930.20 and 45,330,357.20 is: 67,882,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,667,765.20 : 84,859,930.20 = 45,330,357.20 : x
  2. Step 2: Convert to fraction form
    56,667,765.20/84,859,930.20 = 45,330,357.20/x
  3. Step 3: Cross multiply
    56,667,765.20x = 84,859,930.20 × 45,330,357.20
  4. Step 4: Simplify right side
    56,667,765.20x = 3,846,730,947,933,068
  5. Step 5: Solve for x
    x = 3,846,730,947,933,068/56,667,765.20
  6. Step 6: Final answer
    x = 67,882,171.36

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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.