Home / 203,358,705.72-305,040,187.26-80,566,908

Finding the Fourth Proportional to 203,358,705.72, 305,040,187.26 and 80,566,908

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Solution

The fourth proportional to 203,358,705.72, 305,040,187.26 and 80,566,908 is: 120,851,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,358,705.72 : 305,040,187.26 = 80,566,908 : x
  2. Step 2: Convert to fraction form
    203,358,705.72/305,040,187.26 = 80,566,908/x
  3. Step 3: Cross multiply
    203,358,705.72x = 305,040,187.26 × 80,566,908
  4. Step 4: Simplify right side
    203,358,705.72x = 24,576,144,703,279,192
  5. Step 5: Solve for x
    x = 24,576,144,703,279,192/203,358,705.72
  6. Step 6: Final answer
    x = 120,851,205.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.