Home / 54,916,578.24-82,379,708.96-20,373,380.16

Finding the Fourth Proportional to 54,916,578.24, 82,379,708.96 and 20,373,380.16

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Solution

The fourth proportional to 54,916,578.24, 82,379,708.96 and 20,373,380.16 is: 30,561,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,916,578.24 : 82,379,708.96 = 20,373,380.16 : x
  2. Step 2: Convert to fraction form
    54,916,578.24/82,379,708.96 = 20,373,380.16/x
  3. Step 3: Cross multiply
    54,916,578.24x = 82,379,708.96 × 20,373,380.16
  4. Step 4: Simplify right side
    54,916,578.24x = 1,678,353,128,112,238
  5. Step 5: Solve for x
    x = 1,678,353,128,112,238/54,916,578.24
  6. Step 6: Final answer
    x = 30,561,866.41

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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.