Home / 54,568,928.80-81,864,765.60-18,188,621.20

Finding the Fourth Proportional to 54,568,928.80, 81,864,765.60 and 18,188,621.20

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Solution

The fourth proportional to 54,568,928.80, 81,864,765.60 and 18,188,621.20 is: 27,286,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,568,928.80 : 81,864,765.60 = 18,188,621.20 : x
  2. Step 2: Convert to fraction form
    54,568,928.80/81,864,765.60 = 18,188,621.20/x
  3. Step 3: Cross multiply
    54,568,928.80x = 81,864,765.60 × 18,188,621.20
  4. Step 4: Simplify right side
    54,568,928.80x = 1,489,007,211,125,190.50
  5. Step 5: Solve for x
    x = 1,489,007,211,125,190.50/54,568,928.80
  6. Step 6: Final answer
    x = 27,286,722.39

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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.