Home / 149,794,022.48-206,722,135.13-83,714,518.85

Finding the Fourth Proportional to 149,794,022.48, 206,722,135.13 and 83,714,518.85

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Solution

The fourth proportional to 149,794,022.48, 206,722,135.13 and 83,714,518.85 is: 115,529,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,794,022.48 : 206,722,135.13 = 83,714,518.85 : x
  2. Step 2: Convert to fraction form
    149,794,022.48/206,722,135.13 = 83,714,518.85/x
  3. Step 3: Cross multiply
    149,794,022.48x = 206,722,135.13 × 83,714,518.85
  4. Step 4: Simplify right side
    149,794,022.48x = 17,305,644,078,344,150
  5. Step 5: Solve for x
    x = 17,305,644,078,344,150/149,794,022.48
  6. Step 6: Final answer
    x = 115,529,603.87

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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.