Home / 149,794,049.52-206,722,172.39-83,714,545.91

Finding the Fourth Proportional to 149,794,049.52, 206,722,172.39 and 83,714,545.91

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Solution

The fourth proportional to 149,794,049.52, 206,722,172.39 and 83,714,545.91 is: 115,529,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,794,049.52 : 206,722,172.39 = 83,714,545.91 : x
  2. Step 2: Convert to fraction form
    149,794,049.52/206,722,172.39 = 83,714,545.91/x
  3. Step 3: Cross multiply
    149,794,049.52x = 206,722,172.39 × 83,714,545.91
  4. Step 4: Simplify right side
    149,794,049.52x = 17,305,652,791,255,820
  5. Step 5: Solve for x
    x = 17,305,652,791,255,820/149,794,049.52
  6. Step 6: Final answer
    x = 115,529,641.18

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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.