Home / 188,288,015.85-259,587,843.44-154,671,219.27

Finding the Fourth Proportional to 188,288,015.85, 259,587,843.44 and 154,671,219.27

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Solution

The fourth proportional to 188,288,015.85, 259,587,843.44 and 154,671,219.27 is: 213,241,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,288,015.85 : 259,587,843.44 = 154,671,219.27 : x
  2. Step 2: Convert to fraction form
    188,288,015.85/259,587,843.44 = 154,671,219.27/x
  3. Step 3: Cross multiply
    188,288,015.85x = 259,587,843.44 × 154,671,219.27
  4. Step 4: Simplify right side
    188,288,015.85x = 40,150,768,251,761,320
  5. Step 5: Solve for x
    x = 40,150,768,251,761,320/188,288,015.85
  6. Step 6: Final answer
    x = 213,241,230.84

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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.