Home / 123,633,824.76-170,606,143.56-68,625,351

Finding the Fourth Proportional to 123,633,824.76, 170,606,143.56 and 68,625,351

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Solution

The fourth proportional to 123,633,824.76, 170,606,143.56 and 68,625,351 is: 94,698,247.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,633,824.76 : 170,606,143.56 = 68,625,351 : x
  2. Step 2: Convert to fraction form
    123,633,824.76/170,606,143.56 = 68,625,351/x
  3. Step 3: Cross multiply
    123,633,824.76x = 170,606,143.56 × 68,625,351
  4. Step 4: Simplify right side
    123,633,824.76x = 11,707,906,484,561,390
  5. Step 5: Solve for x
    x = 11,707,906,484,561,390/123,633,824.76
  6. Step 6: Final answer
    x = 94,698,247.08

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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.