Home / 239,519,945.94-330,541,830.27-140,472,131.28

Finding the Fourth Proportional to 239,519,945.94, 330,541,830.27 and 140,472,131.28

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Solution

The fourth proportional to 239,519,945.94, 330,541,830.27 and 140,472,131.28 is: 193,854,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,519,945.94 : 330,541,830.27 = 140,472,131.28 : x
  2. Step 2: Convert to fraction form
    239,519,945.94/330,541,830.27 = 140,472,131.28/x
  3. Step 3: Cross multiply
    239,519,945.94x = 330,541,830.27 × 140,472,131.28
  4. Step 4: Simplify right side
    239,519,945.94x = 46,431,915,375,218,912
  5. Step 5: Solve for x
    x = 46,431,915,375,218,912/239,519,945.94
  6. Step 6: Final answer
    x = 193,854,065.86

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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.