Home / 206,566,912.50-285,062,339.25-113,747,199.18

Finding the Fourth Proportional to 206,566,912.50, 285,062,339.25 and 113,747,199.18

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Solution

The fourth proportional to 206,566,912.50, 285,062,339.25 and 113,747,199.18 is: 156,971,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,566,912.50 : 285,062,339.25 = 113,747,199.18 : x
  2. Step 2: Convert to fraction form
    206,566,912.50/285,062,339.25 = 113,747,199.18/x
  3. Step 3: Cross multiply
    206,566,912.50x = 285,062,339.25 × 113,747,199.18
  4. Step 4: Simplify right side
    206,566,912.50x = 32,425,042,681,386,484
  5. Step 5: Solve for x
    x = 32,425,042,681,386,484/206,566,912.50
  6. Step 6: Final answer
    x = 156,971,134.87

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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.