Home / 381,313,248.30-572,023,016.55-162,961,856.10

Finding the Fourth Proportional to 381,313,248.30, 572,023,016.55 and 162,961,856.10

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Solution

The fourth proportional to 381,313,248.30, 572,023,016.55 and 162,961,856.10 is: 244,465,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,313,248.30 : 572,023,016.55 = 162,961,856.10 : x
  2. Step 2: Convert to fraction form
    381,313,248.30/572,023,016.55 = 162,961,856.10/x
  3. Step 3: Cross multiply
    381,313,248.30x = 572,023,016.55 × 162,961,856.10
  4. Step 4: Simplify right side
    381,313,248.30x = 93,217,932,508,909,008
  5. Step 5: Solve for x
    x = 93,217,932,508,909,008/381,313,248.30
  6. Step 6: Final answer
    x = 244,465,496.35

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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.