Home / 320,997,723.19-442,976,922.25-195,549,912.56

Finding the Fourth Proportional to 320,997,723.19, 442,976,922.25 and 195,549,912.56

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Solution

The fourth proportional to 320,997,723.19, 442,976,922.25 and 195,549,912.56 is: 269,858,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,997,723.19 : 442,976,922.25 = 195,549,912.56 : x
  2. Step 2: Convert to fraction form
    320,997,723.19/442,976,922.25 = 195,549,912.56/x
  3. Step 3: Cross multiply
    320,997,723.19x = 442,976,922.25 × 195,549,912.56
  4. Step 4: Simplify right side
    320,997,723.19x = 86,624,098,408,892,784
  5. Step 5: Solve for x
    x = 86,624,098,408,892,784/320,997,723.19
  6. Step 6: Final answer
    x = 269,858,918.46

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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.