Home / 149,414,138.40-224,121,207.60-91,719,328.80

Finding the Fourth Proportional to 149,414,138.40, 224,121,207.60 and 91,719,328.80

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Solution

The fourth proportional to 149,414,138.40, 224,121,207.60 and 91,719,328.80 is: 137,578,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,414,138.40 : 224,121,207.60 = 91,719,328.80 : x
  2. Step 2: Convert to fraction form
    149,414,138.40/224,121,207.60 = 91,719,328.80/x
  3. Step 3: Cross multiply
    149,414,138.40x = 224,121,207.60 × 91,719,328.80
  4. Step 4: Simplify right side
    149,414,138.40x = 20,556,246,730,917,456
  5. Step 5: Solve for x
    x = 20,556,246,730,917,456/149,414,138.40
  6. Step 6: Final answer
    x = 137,578,993.20

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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.