Home / 342,105,540.62-513,206,010.20-105,774,358.10

Finding the Fourth Proportional to 342,105,540.62, 513,206,010.20 and 105,774,358.10

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Solution

The fourth proportional to 342,105,540.62, 513,206,010.20 and 105,774,358.10 is: 158,676,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,105,540.62 : 513,206,010.20 = 105,774,358.10 : x
  2. Step 2: Convert to fraction form
    342,105,540.62/513,206,010.20 = 105,774,358.10/x
  3. Step 3: Cross multiply
    342,105,540.62x = 513,206,010.20 × 105,774,358.10
  4. Step 4: Simplify right side
    342,105,540.62x = 54,284,036,299,665,456
  5. Step 5: Solve for x
    x = 54,284,036,299,665,456/342,105,540.62
  6. Step 6: Final answer
    x = 158,676,285.11

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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.