Home / 120,222,754.60-165,821,873.82-110,331,578.21

Finding the Fourth Proportional to 120,222,754.60, 165,821,873.82 and 110,331,578.21

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Solution

The fourth proportional to 120,222,754.60, 165,821,873.82 and 110,331,578.21 is: 152,179,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,222,754.60 : 165,821,873.82 = 110,331,578.21 : x
  2. Step 2: Convert to fraction form
    120,222,754.60/165,821,873.82 = 110,331,578.21/x
  3. Step 3: Cross multiply
    120,222,754.60x = 165,821,873.82 × 110,331,578.21
  4. Step 4: Simplify right side
    120,222,754.60x = 18,295,389,040,714,636
  5. Step 5: Solve for x
    x = 18,295,389,040,714,636/120,222,754.60
  6. Step 6: Final answer
    x = 152,179,087.08

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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.