Home / 54,379,640.46-81,568,660.29-13,439,077.35

Finding the Fourth Proportional to 54,379,640.46, 81,568,660.29 and 13,439,077.35

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Solution

The fourth proportional to 54,379,640.46, 81,568,660.29 and 13,439,077.35 is: 20,158,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,379,640.46 : 81,568,660.29 = 13,439,077.35 : x
  2. Step 2: Convert to fraction form
    54,379,640.46/81,568,660.29 = 13,439,077.35/x
  3. Step 3: Cross multiply
    54,379,640.46x = 81,568,660.29 × 13,439,077.35
  4. Step 4: Simplify right side
    54,379,640.46x = 1,096,207,534,973,183.50
  5. Step 5: Solve for x
    x = 1,096,207,534,973,183.50/54,379,640.46
  6. Step 6: Final answer
    x = 20,158,418.22

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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.