Home / 61,682,102.25-85,159,992.38-39,693,804.72

Finding the Fourth Proportional to 61,682,102.25, 85,159,992.38 and 39,693,804.72

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Solution

The fourth proportional to 61,682,102.25, 85,159,992.38 and 39,693,804.72 is: 54,802,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,682,102.25 : 85,159,992.38 = 39,693,804.72 : x
  2. Step 2: Convert to fraction form
    61,682,102.25/85,159,992.38 = 39,693,804.72/x
  3. Step 3: Cross multiply
    61,682,102.25x = 85,159,992.38 × 39,693,804.72
  4. Step 4: Simplify right side
    61,682,102.25x = 3,380,324,107,289,939
  5. Step 5: Solve for x
    x = 3,380,324,107,289,939/61,682,102.25
  6. Step 6: Final answer
    x = 54,802,349.21

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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.