Home / 71,914,125.78-107,947,951.29-30,993,759.54

Finding the Fourth Proportional to 71,914,125.78, 107,947,951.29 and 30,993,759.54

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Solution

The fourth proportional to 71,914,125.78, 107,947,951.29 and 30,993,759.54 is: 46,523,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,914,125.78 : 107,947,951.29 = 30,993,759.54 : x
  2. Step 2: Convert to fraction form
    71,914,125.78/107,947,951.29 = 30,993,759.54/x
  3. Step 3: Cross multiply
    71,914,125.78x = 107,947,951.29 × 30,993,759.54
  4. Step 4: Simplify right side
    71,914,125.78x = 3,345,712,845,117,893
  5. Step 5: Solve for x
    x = 3,345,712,845,117,893/71,914,125.78
  6. Step 6: Final answer
    x = 46,523,722.69

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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.