Home / 123,584,013.60-185,442,375.60-51,787,687.20

Finding the Fourth Proportional to 123,584,013.60, 185,442,375.60 and 51,787,687.20

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Solution

The fourth proportional to 123,584,013.60, 185,442,375.60 and 51,787,687.20 is: 77,709,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,584,013.60 : 185,442,375.60 = 51,787,687.20 : x
  2. Step 2: Convert to fraction form
    123,584,013.60/185,442,375.60 = 51,787,687.20/x
  3. Step 3: Cross multiply
    123,584,013.60x = 185,442,375.60 × 51,787,687.20
  4. Step 4: Simplify right side
    123,584,013.60x = 9,603,631,741,197,712
  5. Step 5: Solve for x
    x = 9,603,631,741,197,712/123,584,013.60
  6. Step 6: Final answer
    x = 77,709,336.84

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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.