Home / 203,993,357.67-281,511,786.91-115,892,189.70

Finding the Fourth Proportional to 203,993,357.67, 281,511,786.91 and 115,892,189.70

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Solution

The fourth proportional to 203,993,357.67, 281,511,786.91 and 115,892,189.70 is: 159,931,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,993,357.67 : 281,511,786.91 = 115,892,189.70 : x
  2. Step 2: Convert to fraction form
    203,993,357.67/281,511,786.91 = 115,892,189.70/x
  3. Step 3: Cross multiply
    203,993,357.67x = 281,511,786.91 × 115,892,189.70
  4. Step 4: Simplify right side
    203,993,357.67x = 32,625,017,412,560,232
  5. Step 5: Solve for x
    x = 32,625,017,412,560,232/203,993,357.67
  6. Step 6: Final answer
    x = 159,931,763.39

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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.