Home / 206,489,822.10-309,734,733.15-155,471,486.10

Finding the Fourth Proportional to 206,489,822.10, 309,734,733.15 and 155,471,486.10

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Solution

The fourth proportional to 206,489,822.10, 309,734,733.15 and 155,471,486.10 is: 233,207,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,489,822.10 : 309,734,733.15 = 155,471,486.10 : x
  2. Step 2: Convert to fraction form
    206,489,822.10/309,734,733.15 = 155,471,486.10/x
  3. Step 3: Cross multiply
    206,489,822.10x = 309,734,733.15 × 155,471,486.10
  4. Step 4: Simplify right side
    206,489,822.10x = 48,154,919,259,617,432
  5. Step 5: Solve for x
    x = 48,154,919,259,617,432/206,489,822.10
  6. Step 6: Final answer
    x = 233,207,229.15

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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.