Home / 239,765,555.52-330,876,462.60-129,757,268.52

Finding the Fourth Proportional to 239,765,555.52, 330,876,462.60 and 129,757,268.52

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Solution

The fourth proportional to 239,765,555.52, 330,876,462.60 and 129,757,268.52 is: 179,065,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,765,555.52 : 330,876,462.60 = 129,757,268.52 : x
  2. Step 2: Convert to fraction form
    239,765,555.52/330,876,462.60 = 129,757,268.52/x
  3. Step 3: Cross multiply
    239,765,555.52x = 330,876,462.60 × 129,757,268.52
  4. Step 4: Simplify right side
    239,765,555.52x = 42,933,626,004,535,936
  5. Step 5: Solve for x
    x = 42,933,626,004,535,936/239,765,555.52
  6. Step 6: Final answer
    x = 179,065,028.38

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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.