Home / 121,568,084,640.88-167,763,972,706.50-67,378,131,800.68

Finding the Fourth Proportional to 121,568,084,640.88, 167,763,972,706.50 and 67,378,131,800.68

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Solution

The fourth proportional to 121,568,084,640.88, 167,763,972,706.50 and 67,378,131,800.68 is: 92,981,830,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,568,084,640.88 : 167,763,972,706.50 = 67,378,131,800.68 : x
  2. Step 2: Convert to fraction form
    121,568,084,640.88/167,763,972,706.50 = 67,378,131,800.68/x
  3. Step 3: Cross multiply
    121,568,084,640.88x = 167,763,972,706.50 × 67,378,131,800.68
  4. Step 4: Simplify right side
    121,568,084,640.88x = 11,303,623,064,424,240,119,808
  5. Step 5: Solve for x
    x = 11,303,623,064,424,240,119,808/121,568,084,640.88
  6. Step 6: Final answer
    x = 92,981,830,698.54

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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.