Home / 54,082,247.04-81,066,683.52-19,981,843.20

Finding the Fourth Proportional to 54,082,247.04, 81,066,683.52 and 19,981,843.20

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Solution

The fourth proportional to 54,082,247.04, 81,066,683.52 and 19,981,843.20 is: 29,951,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,082,247.04 : 81,066,683.52 = 19,981,843.20 : x
  2. Step 2: Convert to fraction form
    54,082,247.04/81,066,683.52 = 19,981,843.20/x
  3. Step 3: Cross multiply
    54,082,247.04x = 81,066,683.52 × 19,981,843.20
  4. Step 4: Simplify right side
    54,082,247.04x = 1,619,861,758,840,664
  5. Step 5: Solve for x
    x = 1,619,861,758,840,664/54,082,247.04
  6. Step 6: Final answer
    x = 29,951,820.56

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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.