Home / 54,494,201.28-81,735,703.20-18,105,009.60

Finding the Fourth Proportional to 54,494,201.28, 81,735,703.20 and 18,105,009.60

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Solution

The fourth proportional to 54,494,201.28, 81,735,703.20 and 18,105,009.60 is: 27,155,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,494,201.28 : 81,735,703.20 = 18,105,009.60 : x
  2. Step 2: Convert to fraction form
    54,494,201.28/81,735,703.20 = 18,105,009.60/x
  3. Step 3: Cross multiply
    54,494,201.28x = 81,735,703.20 × 18,105,009.60
  4. Step 4: Simplify right side
    54,494,201.28x = 1,479,825,691,098,751
  5. Step 5: Solve for x
    x = 1,479,825,691,098,751/54,494,201.28
  6. Step 6: Final answer
    x = 27,155,654.30

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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.