Home / 260,489,805.37-359,486,040.61-143,020,086.73

Finding the Fourth Proportional to 260,489,805.37, 359,486,040.61 and 143,020,086.73

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Solution

The fourth proportional to 260,489,805.37, 359,486,040.61 and 143,020,086.73 is: 197,373,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,489,805.37 : 359,486,040.61 = 143,020,086.73 : x
  2. Step 2: Convert to fraction form
    260,489,805.37/359,486,040.61 = 143,020,086.73/x
  3. Step 3: Cross multiply
    260,489,805.37x = 359,486,040.61 × 143,020,086.73
  4. Step 4: Simplify right side
    260,489,805.37x = 51,413,724,704,469,072
  5. Step 5: Solve for x
    x = 51,413,724,704,469,072/260,489,805.37
  6. Step 6: Final answer
    x = 197,373,270.07

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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.