Home / 279,874,031-386,207,500.38-160,800,454.04

Finding the Fourth Proportional to 279,874,031, 386,207,500.38 and 160,800,454.04

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Solution

The fourth proportional to 279,874,031, 386,207,500.38 and 160,800,454.04 is: 221,893,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,874,031 : 386,207,500.38 = 160,800,454.04 : x
  2. Step 2: Convert to fraction form
    279,874,031/386,207,500.38 = 160,800,454.04/x
  3. Step 3: Cross multiply
    279,874,031x = 386,207,500.38 × 160,800,454.04
  4. Step 4: Simplify right side
    279,874,031x = 62,102,341,414,757,472
  5. Step 5: Solve for x
    x = 62,102,341,414,757,472/279,874,031
  6. Step 6: Final answer
    x = 221,893,904.17

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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.