Home / 122,428,481.32-168,949,645.88-69,504,708.04

Finding the Fourth Proportional to 122,428,481.32, 168,949,645.88 and 69,504,708.04

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Solution

The fourth proportional to 122,428,481.32, 168,949,645.88 and 69,504,708.04 is: 95,915,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,428,481.32 : 168,949,645.88 = 69,504,708.04 : x
  2. Step 2: Convert to fraction form
    122,428,481.32/168,949,645.88 = 69,504,708.04/x
  3. Step 3: Cross multiply
    122,428,481.32x = 168,949,645.88 × 69,504,708.04
  4. Step 4: Simplify right side
    122,428,481.32x = 11,742,795,810,350,790
  5. Step 5: Solve for x
    x = 11,742,795,810,350,790/122,428,481.32
  6. Step 6: Final answer
    x = 95,915,555.63

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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.