Home / 149,794,020.50-206,722,132.34-83,714,516.81

Finding the Fourth Proportional to 149,794,020.50, 206,722,132.34 and 83,714,516.81

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Solution

The fourth proportional to 149,794,020.50, 206,722,132.34 and 83,714,516.81 is: 115,529,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,794,020.50 : 206,722,132.34 = 83,714,516.81 : x
  2. Step 2: Convert to fraction form
    149,794,020.50/206,722,132.34 = 83,714,516.81/x
  3. Step 3: Cross multiply
    149,794,020.50x = 206,722,132.34 × 83,714,516.81
  4. Step 4: Simplify right side
    149,794,020.50x = 17,305,643,421,323,794
  5. Step 5: Solve for x
    x = 17,305,643,421,323,794/149,794,020.50
  6. Step 6: Final answer
    x = 115,529,601.01

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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.