Home / 64,785,997-89,405,738.04-38,682,795.88

Finding the Fourth Proportional to 64,785,997, 89,405,738.04 and 38,682,795.88

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Solution

The fourth proportional to 64,785,997, 89,405,738.04 and 38,682,795.88 is: 53,382,892.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,785,997 : 89,405,738.04 = 38,682,795.88 : x
  2. Step 2: Convert to fraction form
    64,785,997/89,405,738.04 = 38,682,795.88/x
  3. Step 3: Cross multiply
    64,785,997x = 89,405,738.04 × 38,682,795.88
  4. Step 4: Simplify right side
    64,785,997x = 3,458,463,915,102,072
  5. Step 5: Solve for x
    x = 3,458,463,915,102,072/64,785,997
  6. Step 6: Final answer
    x = 53,382,892.53

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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.