Home / 204,001,881.12-281,514,400.56-111,180,399.84

Finding the Fourth Proportional to 204,001,881.12, 281,514,400.56 and 111,180,399.84

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Solution

The fourth proportional to 204,001,881.12, 281,514,400.56 and 111,180,399.84 is: 153,424,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,001,881.12 : 281,514,400.56 = 111,180,399.84 : x
  2. Step 2: Convert to fraction form
    204,001,881.12/281,514,400.56 = 111,180,399.84/x
  3. Step 3: Cross multiply
    204,001,881.12x = 281,514,400.56 × 111,180,399.84
  4. Step 4: Simplify right side
    204,001,881.12x = 31,298,883,614,978,720
  5. Step 5: Solve for x
    x = 31,298,883,614,978,720/204,001,881.12
  6. Step 6: Final answer
    x = 153,424,485.32

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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.