Home / 148,331,131.20-222,591,175.20-86,920,171.20

Finding the Fourth Proportional to 148,331,131.20, 222,591,175.20 and 86,920,171.20

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Solution

The fourth proportional to 148,331,131.20, 222,591,175.20 and 86,920,171.20 is: 130,435,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,331,131.20 : 222,591,175.20 = 86,920,171.20 : x
  2. Step 2: Convert to fraction form
    148,331,131.20/222,591,175.20 = 86,920,171.20/x
  3. Step 3: Cross multiply
    148,331,131.20x = 222,591,175.20 × 86,920,171.20
  4. Step 4: Simplify right side
    148,331,131.20x = 19,347,663,055,993,192
  5. Step 5: Solve for x
    x = 19,347,663,055,993,192/148,331,131.20
  6. Step 6: Final answer
    x = 130,435,619.95

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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.