Home / 206,115,753.33-309,173,433.17-52,761,563.73

Finding the Fourth Proportional to 206,115,753.33, 309,173,433.17 and 52,761,563.73

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Solution

The fourth proportional to 206,115,753.33, 309,173,433.17 and 52,761,563.73 is: 79,142,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,115,753.33 : 309,173,433.17 = 52,761,563.73 : x
  2. Step 2: Convert to fraction form
    206,115,753.33/309,173,433.17 = 52,761,563.73/x
  3. Step 3: Cross multiply
    206,115,753.33x = 309,173,433.17 × 52,761,563.73
  4. Step 4: Simplify right side
    206,115,753.33x = 16,312,473,797,558,044
  5. Step 5: Solve for x
    x = 16,312,473,797,558,044/206,115,753.33
  6. Step 6: Final answer
    x = 79,142,295.21

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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.