Home / 239,765,540.07-330,876,441.24-129,757,253.07

Finding the Fourth Proportional to 239,765,540.07, 330,876,441.24 and 129,757,253.07

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Solution

The fourth proportional to 239,765,540.07, 330,876,441.24 and 129,757,253.07 is: 179,065,007.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,765,540.07 : 330,876,441.24 = 129,757,253.07 : x
  2. Step 2: Convert to fraction form
    239,765,540.07/330,876,441.24 = 129,757,253.07/x
  3. Step 3: Cross multiply
    239,765,540.07x = 330,876,441.24 × 129,757,253.07
  4. Step 4: Simplify right side
    239,765,540.07x = 42,933,618,120,879,664
  5. Step 5: Solve for x
    x = 42,933,618,120,879,664/239,765,540.07
  6. Step 6: Final answer
    x = 179,065,007.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.