Home / 74,327,175.20-111,384,474.60-51,581,500.40

Finding the Fourth Proportional to 74,327,175.20, 111,384,474.60 and 51,581,500.40

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Solution

The fourth proportional to 74,327,175.20, 111,384,474.60 and 51,581,500.40 is: 77,298,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,327,175.20 : 111,384,474.60 = 51,581,500.40 : x
  2. Step 2: Convert to fraction form
    74,327,175.20/111,384,474.60 = 51,581,500.40/x
  3. Step 3: Cross multiply
    74,327,175.20x = 111,384,474.60 × 51,581,500.40
  4. Step 4: Simplify right side
    74,327,175.20x = 5,745,378,321,133,689
  5. Step 5: Solve for x
    x = 5,745,378,321,133,689/74,327,175.20
  6. Step 6: Final answer
    x = 77,298,488.82

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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.