Home / 149,794,019.75-206,722,131.30-83,714,516.06

Finding the Fourth Proportional to 149,794,019.75, 206,722,131.30 and 83,714,516.06

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Solution

The fourth proportional to 149,794,019.75, 206,722,131.30 and 83,714,516.06 is: 115,529,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,794,019.75 : 206,722,131.30 = 83,714,516.06 : x
  2. Step 2: Convert to fraction form
    149,794,019.75/206,722,131.30 = 83,714,516.06/x
  3. Step 3: Cross multiply
    149,794,019.75x = 206,722,131.30 × 83,714,516.06
  4. Step 4: Simplify right side
    149,794,019.75x = 17,305,643,179,637,670
  5. Step 5: Solve for x
    x = 17,305,643,179,637,670/149,794,019.75
  6. Step 6: Final answer
    x = 115,529,599.97

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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.