Home / 64,786,072.38-89,405,842.47-38,682,871.26

Finding the Fourth Proportional to 64,786,072.38, 89,405,842.47 and 38,682,871.26

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Solution

The fourth proportional to 64,786,072.38, 89,405,842.47 and 38,682,871.26 is: 53,382,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,786,072.38 : 89,405,842.47 = 38,682,871.26 : x
  2. Step 2: Convert to fraction form
    64,786,072.38/89,405,842.47 = 38,682,871.26/x
  3. Step 3: Cross multiply
    64,786,072.38x = 89,405,842.47 × 38,682,871.26
  4. Step 4: Simplify right side
    64,786,072.38x = 3,458,474,694,158,850
  5. Step 5: Solve for x
    x = 3,458,474,694,158,850/64,786,072.38
  6. Step 6: Final answer
    x = 53,382,996.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.