Home / 192,199,507.14-288,404,214.42-81,517,961.46

Finding the Fourth Proportional to 192,199,507.14, 288,404,214.42 and 81,517,961.46

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Solution

The fourth proportional to 192,199,507.14, 288,404,214.42 and 81,517,961.46 is: 122,321,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,199,507.14 : 288,404,214.42 = 81,517,961.46 : x
  2. Step 2: Convert to fraction form
    192,199,507.14/288,404,214.42 = 81,517,961.46/x
  3. Step 3: Cross multiply
    192,199,507.14x = 288,404,214.42 × 81,517,961.46
  4. Step 4: Simplify right side
    192,199,507.14x = 23,510,123,635,991,136
  5. Step 5: Solve for x
    x = 23,510,123,635,991,136/192,199,507.14
  6. Step 6: Final answer
    x = 122,321,456.42

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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.