Home / 203,986,629.20-281,493,335.88-111,165,144.08

Finding the Fourth Proportional to 203,986,629.20, 281,493,335.88 and 111,165,144.08

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Solution

The fourth proportional to 203,986,629.20, 281,493,335.88 and 111,165,144.08 is: 153,403,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,986,629.20 : 281,493,335.88 = 111,165,144.08 : x
  2. Step 2: Convert to fraction form
    203,986,629.20/281,493,335.88 = 111,165,144.08/x
  3. Step 3: Cross multiply
    203,986,629.20x = 281,493,335.88 × 111,165,144.08
  4. Step 4: Simplify right side
    203,986,629.20x = 31,292,247,240,660,032
  5. Step 5: Solve for x
    x = 31,292,247,240,660,032/203,986,629.20
  6. Step 6: Final answer
    x = 153,403,423.37

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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.