Home / 204,325,375.83-281,968,942.23-111,505,883.78

Finding the Fourth Proportional to 204,325,375.83, 281,968,942.23 and 111,505,883.78

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Solution

The fourth proportional to 204,325,375.83, 281,968,942.23 and 111,505,883.78 is: 153,878,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,325,375.83 : 281,968,942.23 = 111,505,883.78 : x
  2. Step 2: Convert to fraction form
    204,325,375.83/281,968,942.23 = 111,505,883.78/x
  3. Step 3: Cross multiply
    204,325,375.83x = 281,968,942.23 × 111,505,883.78
  4. Step 4: Simplify right side
    204,325,375.83x = 31,441,196,100,458,072
  5. Step 5: Solve for x
    x = 31,441,196,100,458,072/204,325,375.83
  6. Step 6: Final answer
    x = 153,878,077.91

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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.