Home / 231,351,981.62-347,015,750.30-75,885,310.97

Finding the Fourth Proportional to 231,351,981.62, 347,015,750.30 and 75,885,310.97

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Solution

The fourth proportional to 231,351,981.62, 347,015,750.30 and 75,885,310.97 is: 113,823,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,351,981.62 : 347,015,750.30 = 75,885,310.97 : x
  2. Step 2: Convert to fraction form
    231,351,981.62/347,015,750.30 = 75,885,310.97/x
  3. Step 3: Cross multiply
    231,351,981.62x = 347,015,750.30 × 75,885,310.97
  4. Step 4: Simplify right side
    231,351,981.62x = 26,333,398,124,426,704
  5. Step 5: Solve for x
    x = 26,333,398,124,426,704/231,351,981.62
  6. Step 6: Final answer
    x = 113,823,957.50

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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.