Home / 203,876,751.52-281,350,298.64-121,373,391.52

Finding the Fourth Proportional to 203,876,751.52, 281,350,298.64 and 121,373,391.52

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Solution

The fourth proportional to 203,876,751.52, 281,350,298.64 and 121,373,391.52 is: 167,495,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,876,751.52 : 281,350,298.64 = 121,373,391.52 : x
  2. Step 2: Convert to fraction form
    203,876,751.52/281,350,298.64 = 121,373,391.52/x
  3. Step 3: Cross multiply
    203,876,751.52x = 281,350,298.64 × 121,373,391.52
  4. Step 4: Simplify right side
    203,876,751.52x = 34,148,439,951,101,640
  5. Step 5: Solve for x
    x = 34,148,439,951,101,640/203,876,751.52
  6. Step 6: Final answer
    x = 167,495,507.44

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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.