Home / 54,002,717.55-81,004,076.33-13,613,201.55

Finding the Fourth Proportional to 54,002,717.55, 81,004,076.33 and 13,613,201.55

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Solution

The fourth proportional to 54,002,717.55, 81,004,076.33 and 13,613,201.55 is: 20,419,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,002,717.55 : 81,004,076.33 = 13,613,201.55 : x
  2. Step 2: Convert to fraction form
    54,002,717.55/81,004,076.33 = 13,613,201.55/x
  3. Step 3: Cross multiply
    54,002,717.55x = 81,004,076.33 × 13,613,201.55
  4. Step 4: Simplify right side
    54,002,717.55x = 1,102,724,817,383,808.38
  5. Step 5: Solve for x
    x = 1,102,724,817,383,808.38/54,002,717.55
  6. Step 6: Final answer
    x = 20,419,802.33

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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.