Home / 55,040,847.12-82,561,771.27-16,702,362.90

Finding the Fourth Proportional to 55,040,847.12, 82,561,771.27 and 16,702,362.90

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Solution

The fourth proportional to 55,040,847.12, 82,561,771.27 and 16,702,362.90 is: 25,053,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,040,847.12 : 82,561,771.27 = 16,702,362.90 : x
  2. Step 2: Convert to fraction form
    55,040,847.12/82,561,771.27 = 16,702,362.90/x
  3. Step 3: Cross multiply
    55,040,847.12x = 82,561,771.27 × 16,702,362.90
  4. Step 4: Simplify right side
    55,040,847.12x = 1,378,976,665,418,333.75
  5. Step 5: Solve for x
    x = 1,378,976,665,418,333.75/55,040,847.12
  6. Step 6: Final answer
    x = 25,053,696.26

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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.