Home / 137,665,546.79-206,504,018.53-40,621,252.68

Finding the Fourth Proportional to 137,665,546.79, 206,504,018.53 and 40,621,252.68

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Solution

The fourth proportional to 137,665,546.79, 206,504,018.53 and 40,621,252.68 is: 60,933,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,665,546.79 : 206,504,018.53 = 40,621,252.68 : x
  2. Step 2: Convert to fraction form
    137,665,546.79/206,504,018.53 = 40,621,252.68/x
  3. Step 3: Cross multiply
    137,665,546.79x = 206,504,018.53 × 40,621,252.68
  4. Step 4: Simplify right side
    137,665,546.79x = 8,388,451,916,040,979
  5. Step 5: Solve for x
    x = 8,388,451,916,040,979/137,665,546.79
  6. Step 6: Final answer
    x = 60,933,560.44

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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.