Home / 206,236,214.91-284,600,299.14-113,416,722.45

Finding the Fourth Proportional to 206,236,214.91, 284,600,299.14 and 113,416,722.45

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Solution

The fourth proportional to 206,236,214.91, 284,600,299.14 and 113,416,722.45 is: 156,511,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,236,214.91 : 284,600,299.14 = 113,416,722.45 : x
  2. Step 2: Convert to fraction form
    206,236,214.91/284,600,299.14 = 113,416,722.45/x
  3. Step 3: Cross multiply
    206,236,214.91x = 284,600,299.14 × 113,416,722.45
  4. Step 4: Simplify right side
    206,236,214.91x = 32,278,433,136,748,352
  5. Step 5: Solve for x
    x = 32,278,433,136,748,352/206,236,214.91
  6. Step 6: Final answer
    x = 156,511,954.75

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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.