Home / 279,745,772.97-419,527,858.28-92,949,551.28

Finding the Fourth Proportional to 279,745,772.97, 419,527,858.28 and 92,949,551.28

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Solution

The fourth proportional to 279,745,772.97, 419,527,858.28 and 92,949,551.28 is: 139,394,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,745,772.97 : 419,527,858.28 = 92,949,551.28 : x
  2. Step 2: Convert to fraction form
    279,745,772.97/419,527,858.28 = 92,949,551.28/x
  3. Step 3: Cross multiply
    279,745,772.97x = 419,527,858.28 × 92,949,551.28
  4. Step 4: Simplify right side
    279,745,772.97x = 38,994,926,176,120,680
  5. Step 5: Solve for x
    x = 38,994,926,176,120,680/279,745,772.97
  6. Step 6: Final answer
    x = 139,394,156.92

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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.