Home / 54,379,638.96-81,568,658.04-13,439,075.85

Finding the Fourth Proportional to 54,379,638.96, 81,568,658.04 and 13,439,075.85

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Solution

The fourth proportional to 54,379,638.96, 81,568,658.04 and 13,439,075.85 is: 20,158,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,379,638.96 : 81,568,658.04 = 13,439,075.85 : x
  2. Step 2: Convert to fraction form
    54,379,638.96/81,568,658.04 = 13,439,075.85/x
  3. Step 3: Cross multiply
    54,379,638.96x = 81,568,658.04 × 13,439,075.85
  4. Step 4: Simplify right side
    54,379,638.96x = 1,096,207,382,382,272.38
  5. Step 5: Solve for x
    x = 1,096,207,382,382,272.38/54,379,638.96
  6. Step 6: Final answer
    x = 20,158,415.97

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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.