Home / 203,994,200.82-281,503,781.01-111,172,710.90

Finding the Fourth Proportional to 203,994,200.82, 281,503,781.01 and 111,172,710.90

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Solution

The fourth proportional to 203,994,200.82, 281,503,781.01 and 111,172,710.90 is: 153,413,863.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,994,200.82 : 281,503,781.01 = 111,172,710.90 : x
  2. Step 2: Convert to fraction form
    203,994,200.82/281,503,781.01 = 111,172,710.90/x
  3. Step 3: Cross multiply
    203,994,200.82x = 281,503,781.01 × 111,172,710.90
  4. Step 4: Simplify right side
    203,994,200.82x = 31,295,538,463,481,640
  5. Step 5: Solve for x
    x = 31,295,538,463,481,640/203,994,200.82
  6. Step 6: Final answer
    x = 153,413,863.42

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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.