Home / 221,105,002.80-331,657,504.20-156,481,777.20

Finding the Fourth Proportional to 221,105,002.80, 331,657,504.20 and 156,481,777.20

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Solution

The fourth proportional to 221,105,002.80, 331,657,504.20 and 156,481,777.20 is: 234,722,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,105,002.80 : 331,657,504.20 = 156,481,777.20 : x
  2. Step 2: Convert to fraction form
    221,105,002.80/331,657,504.20 = 156,481,777.20/x
  3. Step 3: Cross multiply
    221,105,002.80x = 331,657,504.20 × 156,481,777.20
  4. Step 4: Simplify right side
    221,105,002.80x = 51,898,355,678,932,456
  5. Step 5: Solve for x
    x = 51,898,355,678,932,456/221,105,002.80
  6. Step 6: Final answer
    x = 234,722,665.80

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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.