Home / 149,794,029.10-206,722,144.14-83,714,525.36

Finding the Fourth Proportional to 149,794,029.10, 206,722,144.14 and 83,714,525.36

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Solution

The fourth proportional to 149,794,029.10, 206,722,144.14 and 83,714,525.36 is: 115,529,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,794,029.10 : 206,722,144.14 = 83,714,525.36 : x
  2. Step 2: Convert to fraction form
    149,794,029.10/206,722,144.14 = 83,714,525.36/x
  3. Step 3: Cross multiply
    149,794,029.10x = 206,722,144.14 × 83,714,525.36
  4. Step 4: Simplify right side
    149,794,029.10x = 17,305,646,177,508,436
  5. Step 5: Solve for x
    x = 17,305,646,177,508,436/149,794,029.10
  6. Step 6: Final answer
    x = 115,529,612.77

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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.