Home / 103,606,049.92-142,972,593.60-57,195,304.96

Finding the Fourth Proportional to 103,606,049.92, 142,972,593.60 and 57,195,304.96

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Solution

The fourth proportional to 103,606,049.92, 142,972,593.60 and 57,195,304.96 is: 78,927,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,606,049.92 : 142,972,593.60 = 57,195,304.96 : x
  2. Step 2: Convert to fraction form
    103,606,049.92/142,972,593.60 = 57,195,304.96/x
  3. Step 3: Cross multiply
    103,606,049.92x = 142,972,593.60 × 57,195,304.96
  4. Step 4: Simplify right side
    103,606,049.92x = 8,177,361,091,874,144
  5. Step 5: Solve for x
    x = 8,177,361,091,874,144/103,606,049.92
  6. Step 6: Final answer
    x = 78,927,447.75

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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.