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Finding the Fourth Proportional to 221,652,021.20, 331,722,204.60 and 221,652,021.20

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Solution

The fourth proportional to 221,652,021.20, 331,722,204.60 and 221,652,021.20 is: 331,722,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,652,021.20 : 331,722,204.60 = 221,652,021.20 : x
  2. Step 2: Convert to fraction form
    221,652,021.20/331,722,204.60 = 221,652,021.20/x
  3. Step 3: Cross multiply
    221,652,021.20x = 331,722,204.60 × 221,652,021.20
  4. Step 4: Simplify right side
    221,652,021.20x = 73,526,897,126,509,936
  5. Step 5: Solve for x
    x = 73,526,897,126,509,936/221,652,021.20
  6. Step 6: Final answer
    x = 331,722,204.60

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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.