Home / 54,389,975.80-81,396,006.90-49,855,012.60

Finding the Fourth Proportional to 54,389,975.80, 81,396,006.90 and 49,855,012.60

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Solution

The fourth proportional to 54,389,975.80, 81,396,006.90 and 49,855,012.60 is: 74,609,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389,975.80 : 81,396,006.90 = 49,855,012.60 : x
  2. Step 2: Convert to fraction form
    54,389,975.80/81,396,006.90 = 49,855,012.60/x
  3. Step 3: Cross multiply
    54,389,975.80x = 81,396,006.90 × 49,855,012.60
  4. Step 4: Simplify right side
    54,389,975.80x = 4,057,998,949,589,187.50
  5. Step 5: Solve for x
    x = 4,057,998,949,589,187.50/54,389,975.80
  6. Step 6: Final answer
    x = 74,609,317.06

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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.