Home / 257,520,098.10-386,280,147.15-247,475,863.20

Finding the Fourth Proportional to 257,520,098.10, 386,280,147.15 and 247,475,863.20

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Solution

The fourth proportional to 257,520,098.10, 386,280,147.15 and 247,475,863.20 is: 371,213,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,520,098.10 : 386,280,147.15 = 247,475,863.20 : x
  2. Step 2: Convert to fraction form
    257,520,098.10/386,280,147.15 = 247,475,863.20/x
  3. Step 3: Cross multiply
    257,520,098.10x = 386,280,147.15 × 247,475,863.20
  4. Step 4: Simplify right side
    257,520,098.10x = 95,595,012,852,969,264
  5. Step 5: Solve for x
    x = 95,595,012,852,969,264/257,520,098.10
  6. Step 6: Final answer
    x = 371,213,794.80

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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.