Home / 221,380,192.80-331,286,468.40-192,938,695.20

Finding the Fourth Proportional to 221,380,192.80, 331,286,468.40 and 192,938,695.20

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Solution

The fourth proportional to 221,380,192.80, 331,286,468.40 and 192,938,695.20 is: 288,724,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,380,192.80 : 331,286,468.40 = 192,938,695.20 : x
  2. Step 2: Convert to fraction form
    221,380,192.80/331,286,468.40 = 192,938,695.20/x
  3. Step 3: Cross multiply
    221,380,192.80x = 331,286,468.40 × 192,938,695.20
  4. Step 4: Simplify right side
    221,380,192.80x = 63,917,978,950,512,024
  5. Step 5: Solve for x
    x = 63,917,978,950,512,024/221,380,192.80
  6. Step 6: Final answer
    x = 288,724,922.23

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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.