Home / 199,280,782.44-298,520,997.66-99,269,198.28

Finding the Fourth Proportional to 199,280,782.44, 298,520,997.66 and 99,269,198.28

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Solution

The fourth proportional to 199,280,782.44, 298,520,997.66 and 99,269,198.28 is: 148,704,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,280,782.44 : 298,520,997.66 = 99,269,198.28 : x
  2. Step 2: Convert to fraction form
    199,280,782.44/298,520,997.66 = 99,269,198.28/x
  3. Step 3: Cross multiply
    199,280,782.44x = 298,520,997.66 × 99,269,198.28
  4. Step 4: Simplify right side
    199,280,782.44x = 29,633,940,107,453,960
  5. Step 5: Solve for x
    x = 29,633,940,107,453,960/199,280,782.44
  6. Step 6: Final answer
    x = 148,704,454.81

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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.