Home / 78,207,753.60-117,311,047.20-23,620,233.60

Finding the Fourth Proportional to 78,207,753.60, 117,311,047.20 and 23,620,233.60

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Solution

The fourth proportional to 78,207,753.60, 117,311,047.20 and 23,620,233.60 is: 35,430,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,207,753.60 : 117,311,047.20 = 23,620,233.60 : x
  2. Step 2: Convert to fraction form
    78,207,753.60/117,311,047.20 = 23,620,233.60/x
  3. Step 3: Cross multiply
    78,207,753.60x = 117,311,047.20 × 23,620,233.60
  4. Step 4: Simplify right side
    78,207,753.60x = 2,770,914,338,724,626
  5. Step 5: Solve for x
    x = 2,770,914,338,724,626/78,207,753.60
  6. Step 6: Final answer
    x = 35,430,174.26

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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.