Home / 231,094,872.82-318,724,971.69-203,157,849.90

Finding the Fourth Proportional to 231,094,872.82, 318,724,971.69 and 203,157,849.90

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Solution

The fourth proportional to 231,094,872.82, 318,724,971.69 and 203,157,849.90 is: 280,194,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,094,872.82 : 318,724,971.69 = 203,157,849.90 : x
  2. Step 2: Convert to fraction form
    231,094,872.82/318,724,971.69 = 203,157,849.90/x
  3. Step 3: Cross multiply
    231,094,872.82x = 318,724,971.69 × 203,157,849.90
  4. Step 4: Simplify right side
    231,094,872.82x = 64,751,479,959,941,040
  5. Step 5: Solve for x
    x = 64,751,479,959,941,040/231,094,872.82
  6. Step 6: Final answer
    x = 280,194,359.87

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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.