Home / 20,278,874,165.30-27,981,146,085.24-11,702,171,901.89

Finding the Fourth Proportional to 20,278,874,165.30, 27,981,146,085.24 and 11,702,171,901.89

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Solution

The fourth proportional to 20,278,874,165.30, 27,981,146,085.24 and 11,702,171,901.89 is: 16,146,861,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,278,874,165.30 : 27,981,146,085.24 = 11,702,171,901.89 : x
  2. Step 2: Convert to fraction form
    20,278,874,165.30/27,981,146,085.24 = 11,702,171,901.89/x
  3. Step 3: Cross multiply
    20,278,874,165.30x = 27,981,146,085.24 × 11,702,171,901.89
  4. Step 4: Simplify right side
    20,278,874,165.30x = 327,440,181,501,235,036,160
  5. Step 5: Solve for x
    x = 327,440,181,501,235,036,160/20,278,874,165.30
  6. Step 6: Final answer
    x = 16,146,861,942.74

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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.