Home / 238,278,958.28-328,730,406.60-137,788,826.97

Finding the Fourth Proportional to 238,278,958.28, 328,730,406.60 and 137,788,826.97

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Solution

The fourth proportional to 238,278,958.28, 328,730,406.60 and 137,788,826.97 is: 190,093,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,278,958.28 : 328,730,406.60 = 137,788,826.97 : x
  2. Step 2: Convert to fraction form
    238,278,958.28/328,730,406.60 = 137,788,826.97/x
  3. Step 3: Cross multiply
    238,278,958.28x = 328,730,406.60 × 137,788,826.97
  4. Step 4: Simplify right side
    238,278,958.28x = 45,295,377,114,096,208
  5. Step 5: Solve for x
    x = 45,295,377,114,096,208/238,278,958.28
  6. Step 6: Final answer
    x = 190,093,902.72

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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.