Home / 238,204,497.20-328,724,517.88-137,725,390.20

Finding the Fourth Proportional to 238,204,497.20, 328,724,517.88 and 137,725,390.20

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Solution

The fourth proportional to 238,204,497.20, 328,724,517.88 and 137,725,390.20 is: 190,062,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,204,497.20 : 328,724,517.88 = 137,725,390.20 : x
  2. Step 2: Convert to fraction form
    238,204,497.20/328,724,517.88 = 137,725,390.20/x
  3. Step 3: Cross multiply
    238,204,497.20x = 328,724,517.88 × 137,725,390.20
  4. Step 4: Simplify right side
    238,204,497.20x = 45,273,712,493,329,872
  5. Step 5: Solve for x
    x = 45,273,712,493,329,872/238,204,497.20
  6. Step 6: Final answer
    x = 190,062,375.08

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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.