Home / 149,542,269.60-224,313,404.40-81,517,821.60

Finding the Fourth Proportional to 149,542,269.60, 224,313,404.40 and 81,517,821.60

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Solution

The fourth proportional to 149,542,269.60, 224,313,404.40 and 81,517,821.60 is: 122,276,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,542,269.60 : 224,313,404.40 = 81,517,821.60 : x
  2. Step 2: Convert to fraction form
    149,542,269.60/224,313,404.40 = 81,517,821.60/x
  3. Step 3: Cross multiply
    149,542,269.60x = 224,313,404.40 × 81,517,821.60
  4. Step 4: Simplify right side
    149,542,269.60x = 18,285,540,082,367,856
  5. Step 5: Solve for x
    x = 18,285,540,082,367,856/149,542,269.60
  6. Step 6: Final answer
    x = 122,276,732.40

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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.