Home / 64,785,996-89,405,736.66-38,682,794.88

Finding the Fourth Proportional to 64,785,996, 89,405,736.66 and 38,682,794.88

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Solution

The fourth proportional to 64,785,996, 89,405,736.66 and 38,682,794.88 is: 53,382,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,785,996 : 89,405,736.66 = 38,682,794.88 : x
  2. Step 2: Convert to fraction form
    64,785,996/89,405,736.66 = 38,682,794.88/x
  3. Step 3: Cross multiply
    64,785,996x = 89,405,736.66 × 38,682,794.88
  4. Step 4: Simplify right side
    64,785,996x = 3,458,463,772,314,076.50
  5. Step 5: Solve for x
    x = 3,458,463,772,314,076.50/64,785,996
  6. Step 6: Final answer
    x = 53,382,891.15

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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.