Home / 120,267,824.20-165,969,597.41-65,263,680.70

Finding the Fourth Proportional to 120,267,824.20, 165,969,597.41 and 65,263,680.70

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Solution

The fourth proportional to 120,267,824.20, 165,969,597.41 and 65,263,680.70 is: 90,063,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,267,824.20 : 165,969,597.41 = 65,263,680.70 : x
  2. Step 2: Convert to fraction form
    120,267,824.20/165,969,597.41 = 65,263,680.70/x
  3. Step 3: Cross multiply
    120,267,824.20x = 165,969,597.41 × 65,263,680.70
  4. Step 4: Simplify right side
    120,267,824.20x = 10,831,786,810,117,620
  5. Step 5: Solve for x
    x = 10,831,786,810,117,620/120,267,824.20
  6. Step 6: Final answer
    x = 90,063,879.37

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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.