Home / 188,288,016.35-259,587,844.13-154,671,219.77

Finding the Fourth Proportional to 188,288,016.35, 259,587,844.13 and 154,671,219.77

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Solution

The fourth proportional to 188,288,016.35, 259,587,844.13 and 154,671,219.77 is: 213,241,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,288,016.35 : 259,587,844.13 = 154,671,219.77 : x
  2. Step 2: Convert to fraction form
    188,288,016.35/259,587,844.13 = 154,671,219.77/x
  3. Step 3: Cross multiply
    188,288,016.35x = 259,587,844.13 × 154,671,219.77
  4. Step 4: Simplify right side
    188,288,016.35x = 40,150,768,488,278,384
  5. Step 5: Solve for x
    x = 40,150,768,488,278,384/188,288,016.35
  6. Step 6: Final answer
    x = 213,241,231.53

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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.