Home / 150,138,005.20-225,207,007.80-92,443,195.60

Finding the Fourth Proportional to 150,138,005.20, 225,207,007.80 and 92,443,195.60

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Solution

The fourth proportional to 150,138,005.20, 225,207,007.80 and 92,443,195.60 is: 138,664,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,138,005.20 : 225,207,007.80 = 92,443,195.60 : x
  2. Step 2: Convert to fraction form
    150,138,005.20/225,207,007.80 = 92,443,195.60/x
  3. Step 3: Cross multiply
    150,138,005.20x = 225,207,007.80 × 92,443,195.60
  4. Step 4: Simplify right side
    150,138,005.20x = 20,818,855,472,546,124
  5. Step 5: Solve for x
    x = 20,818,855,472,546,124/150,138,005.20
  6. Step 6: Final answer
    x = 138,664,793.40

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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.