Home / 101,702,745.77-140,379,658.26-66,425,943.78

Finding the Fourth Proportional to 101,702,745.77, 140,379,658.26 and 66,425,943.78

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Solution

The fourth proportional to 101,702,745.77, 140,379,658.26 and 66,425,943.78 is: 91,687,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,702,745.77 : 140,379,658.26 = 66,425,943.78 : x
  2. Step 2: Convert to fraction form
    101,702,745.77/140,379,658.26 = 66,425,943.78/x
  3. Step 3: Cross multiply
    101,702,745.77x = 140,379,658.26 × 66,425,943.78
  4. Step 4: Simplify right side
    101,702,745.77x = 9,324,851,287,434,372
  5. Step 5: Solve for x
    x = 9,324,851,287,434,372/101,702,745.77
  6. Step 6: Final answer
    x = 91,687,311.07

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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.