Home / 231,094,787.76-318,724,854.03-203,157,764.85

Finding the Fourth Proportional to 231,094,787.76, 318,724,854.03 and 203,157,764.85

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Solution

The fourth proportional to 231,094,787.76, 318,724,854.03 and 203,157,764.85 is: 280,194,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,094,787.76 : 318,724,854.03 = 203,157,764.85 : x
  2. Step 2: Convert to fraction form
    231,094,787.76/318,724,854.03 = 203,157,764.85/x
  3. Step 3: Cross multiply
    231,094,787.76x = 318,724,854.03 × 203,157,764.85
  4. Step 4: Simplify right side
    231,094,787.76x = 64,751,428,946,877,304
  5. Step 5: Solve for x
    x = 64,751,428,946,877,304/231,094,787.76
  6. Step 6: Final answer
    x = 280,194,242.26

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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.