Home / 49,816,375.81-74,721,906.51-13,424,181.86

Finding the Fourth Proportional to 49,816,375.81, 74,721,906.51 and 13,424,181.86

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Solution

The fourth proportional to 49,816,375.81, 74,721,906.51 and 13,424,181.86 is: 20,135,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,816,375.81 : 74,721,906.51 = 13,424,181.86 : x
  2. Step 2: Convert to fraction form
    49,816,375.81/74,721,906.51 = 13,424,181.86/x
  3. Step 3: Cross multiply
    49,816,375.81x = 74,721,906.51 × 13,424,181.86
  4. Step 4: Simplify right side
    49,816,375.81x = 1,003,080,462,052,622
  5. Step 5: Solve for x
    x = 1,003,080,462,052,622/49,816,375.81
  6. Step 6: Final answer
    x = 20,135,556.75

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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.