Home / 129,084,604.09-193,684,085.15-67,659,164.73

Finding the Fourth Proportional to 129,084,604.09, 193,684,085.15 and 67,659,164.73

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Solution

The fourth proportional to 129,084,604.09, 193,684,085.15 and 67,659,164.73 is: 101,518,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,084,604.09 : 193,684,085.15 = 67,659,164.73 : x
  2. Step 2: Convert to fraction form
    129,084,604.09/193,684,085.15 = 67,659,164.73/x
  3. Step 3: Cross multiply
    129,084,604.09x = 193,684,085.15 × 67,659,164.73
  4. Step 4: Simplify right side
    129,084,604.09x = 13,104,503,422,404,902
  5. Step 5: Solve for x
    x = 13,104,503,422,404,902/129,084,604.09
  6. Step 6: Final answer
    x = 101,518,717.24

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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.