Home / 61,873,857.13-92,753,087.82-20,904,644.87

Finding the Fourth Proportional to 61,873,857.13, 92,753,087.82 and 20,904,644.87

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Solution

The fourth proportional to 61,873,857.13, 92,753,087.82 and 20,904,644.87 is: 31,337,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,873,857.13 : 92,753,087.82 = 20,904,644.87 : x
  2. Step 2: Convert to fraction form
    61,873,857.13/92,753,087.82 = 20,904,644.87/x
  3. Step 3: Cross multiply
    61,873,857.13x = 92,753,087.82 × 20,904,644.87
  4. Step 4: Simplify right side
    61,873,857.13x = 1,938,970,361,670,014
  5. Step 5: Solve for x
    x = 1,938,970,361,670,014/61,873,857.13
  6. Step 6: Final answer
    x = 31,337,473.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.