Home / 54,915,751.44-75,784,667.16-30,138,243.78

Finding the Fourth Proportional to 54,915,751.44, 75,784,667.16 and 30,138,243.78

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Solution

The fourth proportional to 54,915,751.44, 75,784,667.16 and 30,138,243.78 is: 41,591,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,915,751.44 : 75,784,667.16 = 30,138,243.78 : x
  2. Step 2: Convert to fraction form
    54,915,751.44/75,784,667.16 = 30,138,243.78/x
  3. Step 3: Cross multiply
    54,915,751.44x = 75,784,667.16 × 30,138,243.78
  4. Step 4: Simplify right side
    54,915,751.44x = 2,284,016,773,654,240
  5. Step 5: Solve for x
    x = 2,284,016,773,654,240/54,915,751.44
  6. Step 6: Final answer
    x = 41,591,286.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.