Home / 54,447,745.20-81,647,998.20-18,042,068.40

Finding the Fourth Proportional to 54,447,745.20, 81,647,998.20 and 18,042,068.40

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Solution

The fourth proportional to 54,447,745.20, 81,647,998.20 and 18,042,068.40 is: 27,055,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,447,745.20 : 81,647,998.20 = 18,042,068.40 : x
  2. Step 2: Convert to fraction form
    54,447,745.20/81,647,998.20 = 18,042,068.40/x
  3. Step 3: Cross multiply
    54,447,745.20x = 81,647,998.20 × 18,042,068.40
  4. Step 4: Simplify right side
    54,447,745.20x = 1,473,098,768,247,476.75
  5. Step 5: Solve for x
    x = 1,473,098,768,247,476.75/54,447,745.20
  6. Step 6: Final answer
    x = 27,055,275.90

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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.