Home / 121,568,084,653.32-167,763,972,723.75-67,378,131,813.24

Finding the Fourth Proportional to 121,568,084,653.32, 167,763,972,723.75 and 67,378,131,813.24

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Solution

The fourth proportional to 121,568,084,653.32, 167,763,972,723.75 and 67,378,131,813.24 is: 92,981,830,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,568,084,653.32 : 167,763,972,723.75 = 67,378,131,813.24 : x
  2. Step 2: Convert to fraction form
    121,568,084,653.32/167,763,972,723.75 = 67,378,131,813.24/x
  3. Step 3: Cross multiply
    121,568,084,653.32x = 167,763,972,723.75 × 67,378,131,813.24
  4. Step 4: Simplify right side
    121,568,084,653.32x = 11,303,623,067,693,626,687,488
  5. Step 5: Solve for x
    x = 11,303,623,067,693,626,687,488/121,568,084,653.32
  6. Step 6: Final answer
    x = 92,981,830,715.92

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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.