Home / 221,479,905.20-332,219,857.80-106,436,706.80

Finding the Fourth Proportional to 221,479,905.20, 332,219,857.80 and 106,436,706.80

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Solution

The fourth proportional to 221,479,905.20, 332,219,857.80 and 106,436,706.80 is: 159,655,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,479,905.20 : 332,219,857.80 = 106,436,706.80 : x
  2. Step 2: Convert to fraction form
    221,479,905.20/332,219,857.80 = 106,436,706.80/x
  3. Step 3: Cross multiply
    221,479,905.20x = 332,219,857.80 × 106,436,706.80
  4. Step 4: Simplify right side
    221,479,905.20x = 35,360,387,597,796,292
  5. Step 5: Solve for x
    x = 35,360,387,597,796,292/221,479,905.20
  6. Step 6: Final answer
    x = 159,655,060.20

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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.