Home / 321,941,294.40-482,974,927.20-137,708,414.40

Finding the Fourth Proportional to 321,941,294.40, 482,974,927.20 and 137,708,414.40

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Solution

The fourth proportional to 321,941,294.40, 482,974,927.20 and 137,708,414.40 is: 206,589,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,941,294.40 : 482,974,927.20 = 137,708,414.40 : x
  2. Step 2: Convert to fraction form
    321,941,294.40/482,974,927.20 = 137,708,414.40/x
  3. Step 3: Cross multiply
    321,941,294.40x = 482,974,927.20 × 137,708,414.40
  4. Step 4: Simplify right side
    321,941,294.40x = 66,509,711,419,667,432
  5. Step 5: Solve for x
    x = 66,509,711,419,667,432/321,941,294.40
  6. Step 6: Final answer
    x = 206,589,563.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.