Home / 139,188,338.16-192,058,554.38-80,439,658.52

Finding the Fourth Proportional to 139,188,338.16, 192,058,554.38 and 80,439,658.52

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Solution

The fourth proportional to 139,188,338.16, 192,058,554.38 and 80,439,658.52 is: 110,994,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,188,338.16 : 192,058,554.38 = 80,439,658.52 : x
  2. Step 2: Convert to fraction form
    139,188,338.16/192,058,554.38 = 80,439,658.52/x
  3. Step 3: Cross multiply
    139,188,338.16x = 192,058,554.38 × 80,439,658.52
  4. Step 4: Simplify right side
    139,188,338.16x = 15,449,124,528,809,560
  5. Step 5: Solve for x
    x = 15,449,124,528,809,560/139,188,338.16
  6. Step 6: Final answer
    x = 110,994,388.85

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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.