Home / 81,908,501.38-122,863,211.37-27,320,937.04

Finding the Fourth Proportional to 81,908,501.38, 122,863,211.37 and 27,320,937.04

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Solution

The fourth proportional to 81,908,501.38, 122,863,211.37 and 27,320,937.04 is: 40,981,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,908,501.38 : 122,863,211.37 = 27,320,937.04 : x
  2. Step 2: Convert to fraction form
    81,908,501.38/122,863,211.37 = 27,320,937.04/x
  3. Step 3: Cross multiply
    81,908,501.38x = 122,863,211.37 × 27,320,937.04
  4. Step 4: Simplify right side
    81,908,501.38x = 3,356,738,062,611,811
  5. Step 5: Solve for x
    x = 3,356,738,062,611,811/81,908,501.38
  6. Step 6: Final answer
    x = 40,981,558.76

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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.