Home / 78,059,993.50-117,007,593.83-26,195,420.75

Finding the Fourth Proportional to 78,059,993.50, 117,007,593.83 and 26,195,420.75

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Solution

The fourth proportional to 78,059,993.50, 117,007,593.83 and 26,195,420.75 is: 39,265,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,059,993.50 : 117,007,593.83 = 26,195,420.75 : x
  2. Step 2: Convert to fraction form
    78,059,993.50/117,007,593.83 = 26,195,420.75/x
  3. Step 3: Cross multiply
    78,059,993.50x = 117,007,593.83 × 26,195,420.75
  4. Step 4: Simplify right side
    78,059,993.50x = 3,065,063,150,605,939
  5. Step 5: Solve for x
    x = 3,065,063,150,605,939/78,059,993.50
  6. Step 6: Final answer
    x = 39,265,480.48

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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.