Home / 54,379,637.46-81,568,655.78-13,439,074.35

Finding the Fourth Proportional to 54,379,637.46, 81,568,655.78 and 13,439,074.35

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Solution

The fourth proportional to 54,379,637.46, 81,568,655.78 and 13,439,074.35 is: 20,158,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,379,637.46 : 81,568,655.78 = 13,439,074.35 : x
  2. Step 2: Convert to fraction form
    54,379,637.46/81,568,655.78 = 13,439,074.35/x
  3. Step 3: Cross multiply
    54,379,637.46x = 81,568,655.78 × 13,439,074.35
  4. Step 4: Simplify right side
    54,379,637.46x = 1,096,207,229,550,239.50
  5. Step 5: Solve for x
    x = 1,096,207,229,550,239.50/54,379,637.46
  6. Step 6: Final answer
    x = 20,158,413.72

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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.