Home / 54,127,002.60-81,190,503.90-20,043,919.80

Finding the Fourth Proportional to 54,127,002.60, 81,190,503.90 and 20,043,919.80

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Solution

The fourth proportional to 54,127,002.60, 81,190,503.90 and 20,043,919.80 is: 30,065,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,127,002.60 : 81,190,503.90 = 20,043,919.80 : x
  2. Step 2: Convert to fraction form
    54,127,002.60/81,190,503.90 = 20,043,919.80/x
  3. Step 3: Cross multiply
    54,127,002.60x = 81,190,503.90 × 20,043,919.80
  4. Step 4: Simplify right side
    54,127,002.60x = 1,627,375,948,693,187.50
  5. Step 5: Solve for x
    x = 1,627,375,948,693,187.50/54,127,002.60
  6. Step 6: Final answer
    x = 30,065,879.70

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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.