Home / 148,584,651.12-222,876,679.68-39,420,764.28

Finding the Fourth Proportional to 148,584,651.12, 222,876,679.68 and 39,420,764.28

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Solution

The fourth proportional to 148,584,651.12, 222,876,679.68 and 39,420,764.28 is: 59,131,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,584,651.12 : 222,876,679.68 = 39,420,764.28 : x
  2. Step 2: Convert to fraction form
    148,584,651.12/222,876,679.68 = 39,420,764.28/x
  3. Step 3: Cross multiply
    148,584,651.12x = 222,876,679.68 × 39,420,764.28
  4. Step 4: Simplify right side
    148,584,651.12x = 8,785,969,053,174,346
  5. Step 5: Solve for x
    x = 8,785,969,053,174,346/148,584,651.12
  6. Step 6: Final answer
    x = 59,131,067.62

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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.