Home / 239,765,620.82-330,876,552.65-129,757,333.82

Finding the Fourth Proportional to 239,765,620.82, 330,876,552.65 and 129,757,333.82

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Solution

The fourth proportional to 239,765,620.82, 330,876,552.65 and 129,757,333.82 is: 179,065,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,765,620.82 : 330,876,552.65 = 129,757,333.82 : x
  2. Step 2: Convert to fraction form
    239,765,620.82/330,876,552.65 = 129,757,333.82/x
  3. Step 3: Cross multiply
    239,765,620.82x = 330,876,552.65 × 129,757,333.82
  4. Step 4: Simplify right side
    239,765,620.82x = 42,933,659,293,113,680
  5. Step 5: Solve for x
    x = 42,933,659,293,113,680/239,765,620.82
  6. Step 6: Final answer
    x = 179,065,118.46

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Why These Related Problems?

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