Home / 285,836,149.28-394,454,080.56-160,371,025.28

Finding the Fourth Proportional to 285,836,149.28, 394,454,080.56 and 160,371,025.28

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Solution

The fourth proportional to 285,836,149.28, 394,454,080.56 and 160,371,025.28 is: 221,312,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,836,149.28 : 394,454,080.56 = 160,371,025.28 : x
  2. Step 2: Convert to fraction form
    285,836,149.28/394,454,080.56 = 160,371,025.28/x
  3. Step 3: Cross multiply
    285,836,149.28x = 394,454,080.56 × 160,371,025.28
  4. Step 4: Simplify right side
    285,836,149.28x = 63,259,005,325,286,920
  5. Step 5: Solve for x
    x = 63,259,005,325,286,920/285,836,149.28
  6. Step 6: Final answer
    x = 221,312,124.04

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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.