Home / 168,570,998.70-252,573,062.85-139,660,608.30

Finding the Fourth Proportional to 168,570,998.70, 252,573,062.85 and 139,660,608.30

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Solution

The fourth proportional to 168,570,998.70, 252,573,062.85 and 139,660,608.30 is: 209,256,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,570,998.70 : 252,573,062.85 = 139,660,608.30 : x
  2. Step 2: Convert to fraction form
    168,570,998.70/252,573,062.85 = 139,660,608.30/x
  3. Step 3: Cross multiply
    168,570,998.70x = 252,573,062.85 × 139,660,608.30
  4. Step 4: Simplify right side
    168,570,998.70x = 35,274,507,597,825,132
  5. Step 5: Solve for x
    x = 35,274,507,597,825,132/168,570,998.70
  6. Step 6: Final answer
    x = 209,256,087.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.