Home / 64,785,997.50-89,405,738.73-38,682,796.38

Finding the Fourth Proportional to 64,785,997.50, 89,405,738.73 and 38,682,796.38

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Solution

The fourth proportional to 64,785,997.50, 89,405,738.73 and 38,682,796.38 is: 53,382,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,785,997.50 : 89,405,738.73 = 38,682,796.38 : x
  2. Step 2: Convert to fraction form
    64,785,997.50/89,405,738.73 = 38,682,796.38/x
  3. Step 3: Cross multiply
    64,785,997.50x = 89,405,738.73 × 38,682,796.38
  4. Step 4: Simplify right side
    64,785,997.50x = 3,458,463,986,496,070
  5. Step 5: Solve for x
    x = 3,458,463,986,496,070/64,785,997.50
  6. Step 6: Final answer
    x = 53,382,893.22

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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.