Home / 221,267,392.80-331,901,089.20-106,476,136.80

Finding the Fourth Proportional to 221,267,392.80, 331,901,089.20 and 106,476,136.80

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Solution

The fourth proportional to 221,267,392.80, 331,901,089.20 and 106,476,136.80 is: 159,714,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,267,392.80 : 331,901,089.20 = 106,476,136.80 : x
  2. Step 2: Convert to fraction form
    221,267,392.80/331,901,089.20 = 106,476,136.80/x
  3. Step 3: Cross multiply
    221,267,392.80x = 331,901,089.20 × 106,476,136.80
  4. Step 4: Simplify right side
    221,267,392.80x = 35,339,545,777,728,200
  5. Step 5: Solve for x
    x = 35,339,545,777,728,200/221,267,392.80
  6. Step 6: Final answer
    x = 159,714,205.20

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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.