Home / 71,928,234.10-107,892,351.15-71,424,349.30

Finding the Fourth Proportional to 71,928,234.10, 107,892,351.15 and 71,424,349.30

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Solution

The fourth proportional to 71,928,234.10, 107,892,351.15 and 71,424,349.30 is: 107,136,523.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,928,234.10 : 107,892,351.15 = 71,424,349.30 : x
  2. Step 2: Convert to fraction form
    71,928,234.10/107,892,351.15 = 71,424,349.30/x
  3. Step 3: Cross multiply
    71,928,234.10x = 107,892,351.15 × 71,424,349.30
  4. Step 4: Simplify right side
    71,928,234.10x = 7,706,140,975,335,857
  5. Step 5: Solve for x
    x = 7,706,140,975,335,857/71,928,234.10
  6. Step 6: Final answer
    x = 107,136,523.95

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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.