Home / 149,624,156.40-224,324,260.20-81,543,721.20

Finding the Fourth Proportional to 149,624,156.40, 224,324,260.20 and 81,543,721.20

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Solution

The fourth proportional to 149,624,156.40, 224,324,260.20 and 81,543,721.20 is: 122,254,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,624,156.40 : 224,324,260.20 = 81,543,721.20 : x
  2. Step 2: Convert to fraction form
    149,624,156.40/224,324,260.20 = 81,543,721.20/x
  3. Step 3: Cross multiply
    149,624,156.40x = 224,324,260.20 × 81,543,721.20
  4. Step 4: Simplify right side
    149,624,156.40x = 18,292,234,932,145,056
  5. Step 5: Solve for x
    x = 18,292,234,932,145,056/149,624,156.40
  6. Step 6: Final answer
    x = 122,254,556.83

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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.