Home / 181,285,472.70-271,928,209.05-156,626,610.30

Finding the Fourth Proportional to 181,285,472.70, 271,928,209.05 and 156,626,610.30

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Solution

The fourth proportional to 181,285,472.70, 271,928,209.05 and 156,626,610.30 is: 234,939,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,285,472.70 : 271,928,209.05 = 156,626,610.30 : x
  2. Step 2: Convert to fraction form
    181,285,472.70/271,928,209.05 = 156,626,610.30/x
  3. Step 3: Cross multiply
    181,285,472.70x = 271,928,209.05 × 156,626,610.30
  4. Step 4: Simplify right side
    181,285,472.70x = 42,591,193,628,451,288
  5. Step 5: Solve for x
    x = 42,591,193,628,451,288/181,285,472.70
  6. Step 6: Final answer
    x = 234,939,915.45

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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.