Home / 123,881,505.68-170,960,868.24-68,131,236.36

Finding the Fourth Proportional to 123,881,505.68, 170,960,868.24 and 68,131,236.36

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Solution

The fourth proportional to 123,881,505.68, 170,960,868.24 and 68,131,236.36 is: 94,023,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,881,505.68 : 170,960,868.24 = 68,131,236.36 : x
  2. Step 2: Convert to fraction form
    123,881,505.68/170,960,868.24 = 68,131,236.36/x
  3. Step 3: Cross multiply
    123,881,505.68x = 170,960,868.24 × 68,131,236.36
  4. Step 4: Simplify right side
    123,881,505.68x = 11,647,775,322,370,258
  5. Step 5: Solve for x
    x = 11,647,775,322,370,258/123,881,505.68
  6. Step 6: Final answer
    x = 94,023,520.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.