Home / 258,738,997.92-357,220,958.40-164,706,201.60

Finding the Fourth Proportional to 258,738,997.92, 357,220,958.40 and 164,706,201.60

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Solution

The fourth proportional to 258,738,997.92, 357,220,958.40 and 164,706,201.60 is: 227,397,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,738,997.92 : 357,220,958.40 = 164,706,201.60 : x
  2. Step 2: Convert to fraction form
    258,738,997.92/357,220,958.40 = 164,706,201.60/x
  3. Step 3: Cross multiply
    258,738,997.92x = 357,220,958.40 × 164,706,201.60
  4. Step 4: Simplify right side
    258,738,997.92x = 58,836,507,189,975,608
  5. Step 5: Solve for x
    x = 58,836,507,189,975,608/258,738,997.92
  6. Step 6: Final answer
    x = 227,397,136.35

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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.