Home / 144,682,302,736.45-199,661,743,305.86-80,451,647,992.68

Finding the Fourth Proportional to 144,682,302,736.45, 199,661,743,305.86 and 80,451,647,992.68

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Solution

The fourth proportional to 144,682,302,736.45, 199,661,743,305.86 and 80,451,647,992.68 is: 111,023,366,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,682,302,736.45 : 199,661,743,305.86 = 80,451,647,992.68 : x
  2. Step 2: Convert to fraction form
    144,682,302,736.45/199,661,743,305.86 = 80,451,647,992.68/x
  3. Step 3: Cross multiply
    144,682,302,736.45x = 199,661,743,305.86 × 80,451,647,992.68
  4. Step 4: Simplify right side
    144,682,302,736.45x = 16,063,116,290,047,879,413,760
  5. Step 5: Solve for x
    x = 16,063,116,290,047,879,413,760/144,682,302,736.45
  6. Step 6: Final answer
    x = 111,023,366,273.82

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1.5x scale

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.