Home / 139,354,183.98-192,025,174.77-107,800,563.78

Finding the Fourth Proportional to 139,354,183.98, 192,025,174.77 and 107,800,563.78

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Solution

The fourth proportional to 139,354,183.98, 192,025,174.77 and 107,800,563.78 is: 148,545,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,354,183.98 : 192,025,174.77 = 107,800,563.78 : x
  2. Step 2: Convert to fraction form
    139,354,183.98/192,025,174.77 = 107,800,563.78/x
  3. Step 3: Cross multiply
    139,354,183.98x = 192,025,174.77 × 107,800,563.78
  4. Step 4: Simplify right side
    139,354,183.98x = 20,700,422,100,159,032
  5. Step 5: Solve for x
    x = 20,700,422,100,159,032/139,354,183.98
  6. Step 6: Final answer
    x = 148,545,393.54

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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.