Home / 90,640,272.24-125,083,593.36-49,387,164.84

Finding the Fourth Proportional to 90,640,272.24, 125,083,593.36 and 49,387,164.84

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Solution

The fourth proportional to 90,640,272.24, 125,083,593.36 and 49,387,164.84 is: 68,154,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,640,272.24 : 125,083,593.36 = 49,387,164.84 : x
  2. Step 2: Convert to fraction form
    90,640,272.24/125,083,593.36 = 49,387,164.84/x
  3. Step 3: Cross multiply
    90,640,272.24x = 125,083,593.36 × 49,387,164.84
  4. Step 4: Simplify right side
    90,640,272.24x = 6,177,524,044,049,850
  5. Step 5: Solve for x
    x = 6,177,524,044,049,850/90,640,272.24
  6. Step 6: Final answer
    x = 68,154,297.11

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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.