Home / 161,441,718-222,789,512.25-88,102,860

Finding the Fourth Proportional to 161,441,718, 222,789,512.25 and 88,102,860

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Solution

The fourth proportional to 161,441,718, 222,789,512.25 and 88,102,860 is: 121,581,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,441,718 : 222,789,512.25 = 88,102,860 : x
  2. Step 2: Convert to fraction form
    161,441,718/222,789,512.25 = 88,102,860/x
  3. Step 3: Cross multiply
    161,441,718x = 222,789,512.25 × 88,102,860
  4. Step 4: Simplify right side
    161,441,718x = 19,628,393,207,230,036
  5. Step 5: Solve for x
    x = 19,628,393,207,230,036/161,441,718
  6. Step 6: Final answer
    x = 121,581,914.83

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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.