Home / 149,542,409.60-224,313,614.40-81,517,961.60

Finding the Fourth Proportional to 149,542,409.60, 224,313,614.40 and 81,517,961.60

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Solution

The fourth proportional to 149,542,409.60, 224,313,614.40 and 81,517,961.60 is: 122,276,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,542,409.60 : 224,313,614.40 = 81,517,961.60 : x
  2. Step 2: Convert to fraction form
    149,542,409.60/224,313,614.40 = 81,517,961.60/x
  3. Step 3: Cross multiply
    149,542,409.60x = 224,313,614.40 × 81,517,961.60
  4. Step 4: Simplify right side
    149,542,409.60x = 18,285,588,605,016,408
  5. Step 5: Solve for x
    x = 18,285,588,605,016,408/149,542,409.60
  6. Step 6: Final answer
    x = 122,276,942.40

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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.