Home / 206,236,215.91-284,600,300.52-113,416,723.45

Finding the Fourth Proportional to 206,236,215.91, 284,600,300.52 and 113,416,723.45

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Solution

The fourth proportional to 206,236,215.91, 284,600,300.52 and 113,416,723.45 is: 156,511,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,236,215.91 : 284,600,300.52 = 113,416,723.45 : x
  2. Step 2: Convert to fraction form
    206,236,215.91/284,600,300.52 = 113,416,723.45/x
  3. Step 3: Cross multiply
    206,236,215.91x = 284,600,300.52 × 113,416,723.45
  4. Step 4: Simplify right side
    206,236,215.91x = 32,278,433,577,863,728
  5. Step 5: Solve for x
    x = 32,278,433,577,863,728/206,236,215.91
  6. Step 6: Final answer
    x = 156,511,956.13

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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.