Home / 150,132,236.28-225,232,311.63-81,043,556.90

Finding the Fourth Proportional to 150,132,236.28, 225,232,311.63 and 81,043,556.90

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Solution

The fourth proportional to 150,132,236.28, 225,232,311.63 and 81,043,556.90 is: 121,583,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,132,236.28 : 225,232,311.63 = 81,043,556.90 : x
  2. Step 2: Convert to fraction form
    150,132,236.28/225,232,311.63 = 81,043,556.90/x
  3. Step 3: Cross multiply
    150,132,236.28x = 225,232,311.63 × 81,043,556.90
  4. Step 4: Simplify right side
    150,132,236.28x = 18,253,627,663,304,436
  5. Step 5: Solve for x
    x = 18,253,627,663,304,436/150,132,236.28
  6. Step 6: Final answer
    x = 121,583,665.95

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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.