Home / 193,198,244,346.64-289,929,741,879.30-67,428,841,351.78

Finding the Fourth Proportional to 193,198,244,346.64, 289,929,741,879.30 and 67,428,841,351.78

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Solution

The fourth proportional to 193,198,244,346.64, 289,929,741,879.30 and 67,428,841,351.78 is: 101,189,462,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,198,244,346.64 : 289,929,741,879.30 = 67,428,841,351.78 : x
  2. Step 2: Convert to fraction form
    193,198,244,346.64/289,929,741,879.30 = 67,428,841,351.78/x
  3. Step 3: Cross multiply
    193,198,244,346.64x = 289,929,741,879.30 × 67,428,841,351.78
  4. Step 4: Simplify right side
    193,198,244,346.64x = 19,549,626,568,341,844,918,272
  5. Step 5: Solve for x
    x = 19,549,626,568,341,844,918,272/193,198,244,346.64
  6. Step 6: Final answer
    x = 101,189,462,846.60

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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.