Home / 192,691,112.76-265,914,027.86-104,585,142.78

Finding the Fourth Proportional to 192,691,112.76, 265,914,027.86 and 104,585,142.78

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Solution

The fourth proportional to 192,691,112.76, 265,914,027.86 and 104,585,142.78 is: 144,327,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,691,112.76 : 265,914,027.86 = 104,585,142.78 : x
  2. Step 2: Convert to fraction form
    192,691,112.76/265,914,027.86 = 104,585,142.78/x
  3. Step 3: Cross multiply
    192,691,112.76x = 265,914,027.86 × 104,585,142.78
  4. Step 4: Simplify right side
    192,691,112.76x = 27,810,656,570,420,072
  5. Step 5: Solve for x
    x = 27,810,656,570,420,072/192,691,112.76
  6. Step 6: Final answer
    x = 144,327,655.66

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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.