Home / 129,084,608.08-193,684,091.14-67,659,168.74

Finding the Fourth Proportional to 129,084,608.08, 193,684,091.14 and 67,659,168.74

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Solution

The fourth proportional to 129,084,608.08, 193,684,091.14 and 67,659,168.74 is: 101,518,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,084,608.08 : 193,684,091.14 = 67,659,168.74 : x
  2. Step 2: Convert to fraction form
    129,084,608.08/193,684,091.14 = 67,659,168.74/x
  3. Step 3: Cross multiply
    129,084,608.08x = 193,684,091.14 × 67,659,168.74
  4. Step 4: Simplify right side
    129,084,608.08x = 13,104,504,604,694,796
  5. Step 5: Solve for x
    x = 13,104,504,604,694,796/129,084,608.08
  6. Step 6: Final answer
    x = 101,518,723.26

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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.