Home / 256,022,351.51-383,990,212.17-71,747,416.52

Finding the Fourth Proportional to 256,022,351.51, 383,990,212.17 and 71,747,416.52

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Solution

The fourth proportional to 256,022,351.51, 383,990,212.17 and 71,747,416.52 is: 107,608,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,022,351.51 : 383,990,212.17 = 71,747,416.52 : x
  2. Step 2: Convert to fraction form
    256,022,351.51/383,990,212.17 = 71,747,416.52/x
  3. Step 3: Cross multiply
    256,022,351.51x = 383,990,212.17 × 71,747,416.52
  4. Step 4: Simplify right side
    256,022,351.51x = 27,550,305,692,164,164
  5. Step 5: Solve for x
    x = 27,550,305,692,164,164/256,022,351.51
  6. Step 6: Final answer
    x = 107,608,986.21

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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.