Home / 54,469,892.40-81,704,838.60-20,386,809.60

Finding the Fourth Proportional to 54,469,892.40, 81,704,838.60 and 20,386,809.60

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Solution

The fourth proportional to 54,469,892.40, 81,704,838.60 and 20,386,809.60 is: 30,580,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,469,892.40 : 81,704,838.60 = 20,386,809.60 : x
  2. Step 2: Convert to fraction form
    54,469,892.40/81,704,838.60 = 20,386,809.60/x
  3. Step 3: Cross multiply
    54,469,892.40x = 81,704,838.60 × 20,386,809.60
  4. Step 4: Simplify right side
    54,469,892.40x = 1,665,700,987,936,930.50
  5. Step 5: Solve for x
    x = 1,665,700,987,936,930.50/54,469,892.40
  6. Step 6: Final answer
    x = 30,580,214.40

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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.