Home / 181,287,989.70-271,931,984.55-156,629,127.30

Finding the Fourth Proportional to 181,287,989.70, 271,931,984.55 and 156,629,127.30

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Solution

The fourth proportional to 181,287,989.70, 271,931,984.55 and 156,629,127.30 is: 234,943,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,287,989.70 : 271,931,984.55 = 156,629,127.30 : x
  2. Step 2: Convert to fraction form
    181,287,989.70/271,931,984.55 = 156,629,127.30/x
  3. Step 3: Cross multiply
    181,287,989.70x = 271,931,984.55 × 156,629,127.30
  4. Step 4: Simplify right side
    181,287,989.70x = 42,592,469,425,023,592
  5. Step 5: Solve for x
    x = 42,592,469,425,023,592/181,287,989.70
  6. Step 6: Final answer
    x = 234,943,690.95

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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.