Home / 149,419,850.40-224,136,489.42-45,781,462.80

Finding the Fourth Proportional to 149,419,850.40, 224,136,489.42 and 45,781,462.80

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Solution

The fourth proportional to 149,419,850.40, 224,136,489.42 and 45,781,462.80 is: 68,674,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,419,850.40 : 224,136,489.42 = 45,781,462.80 : x
  2. Step 2: Convert to fraction form
    149,419,850.40/224,136,489.42 = 45,781,462.80/x
  3. Step 3: Cross multiply
    149,419,850.40x = 224,136,489.42 × 45,781,462.80
  4. Step 4: Simplify right side
    149,419,850.40x = 10,261,296,352,504,322
  5. Step 5: Solve for x
    x = 10,261,296,352,504,322/149,419,850.40
  6. Step 6: Final answer
    x = 68,674,251.28

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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.