Home / 68,965,872.20-103,331,739.40-41,614,691.30

Finding the Fourth Proportional to 68,965,872.20, 103,331,739.40 and 41,614,691.30

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Solution

The fourth proportional to 68,965,872.20, 103,331,739.40 and 41,614,691.30 is: 62,351,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,965,872.20 : 103,331,739.40 = 41,614,691.30 : x
  2. Step 2: Convert to fraction form
    68,965,872.20/103,331,739.40 = 41,614,691.30/x
  3. Step 3: Cross multiply
    68,965,872.20x = 103,331,739.40 × 41,614,691.30
  4. Step 4: Simplify right side
    68,965,872.20x = 4,300,118,436,623,047
  5. Step 5: Solve for x
    x = 4,300,118,436,623,047/68,965,872.20
  6. Step 6: Final answer
    x = 62,351,396.41

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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.