Home / 239,765,561.52-330,876,470.88-129,757,274.52

Finding the Fourth Proportional to 239,765,561.52, 330,876,470.88 and 129,757,274.52

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Solution

The fourth proportional to 239,765,561.52, 330,876,470.88 and 129,757,274.52 is: 179,065,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,765,561.52 : 330,876,470.88 = 129,757,274.52 : x
  2. Step 2: Convert to fraction form
    239,765,561.52/330,876,470.88 = 129,757,274.52/x
  3. Step 3: Cross multiply
    239,765,561.52x = 330,876,470.88 × 129,757,274.52
  4. Step 4: Simplify right side
    239,765,561.52x = 42,933,629,064,184,944
  5. Step 5: Solve for x
    x = 42,933,629,064,184,944/239,765,561.52
  6. Step 6: Final answer
    x = 179,065,036.66

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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.