Home / 131,361,769,656.45-181,292,753,469.60-79,923,981,225.51

Finding the Fourth Proportional to 131,361,769,656.45, 181,292,753,469.60 and 79,923,981,225.51

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Solution

The fourth proportional to 131,361,769,656.45, 181,292,753,469.60 and 79,923,981,225.51 is: 110,303,314,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,361,769,656.45 : 181,292,753,469.60 = 79,923,981,225.51 : x
  2. Step 2: Convert to fraction form
    131,361,769,656.45/181,292,753,469.60 = 79,923,981,225.51/x
  3. Step 3: Cross multiply
    131,361,769,656.45x = 181,292,753,469.60 × 79,923,981,225.51
  4. Step 4: Simplify right side
    131,361,769,656.45x = 14,489,638,624,625,323,671,552
  5. Step 5: Solve for x
    x = 14,489,638,624,625,323,671,552/131,361,769,656.45
  6. Step 6: Final answer
    x = 110,303,314,750.71

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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.