Home / 256,022,352.01-383,990,212.92-71,747,417.02

Finding the Fourth Proportional to 256,022,352.01, 383,990,212.92 and 71,747,417.02

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Solution

The fourth proportional to 256,022,352.01, 383,990,212.92 and 71,747,417.02 is: 107,608,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,022,352.01 : 383,990,212.92 = 71,747,417.02 : x
  2. Step 2: Convert to fraction form
    256,022,352.01/383,990,212.92 = 71,747,417.02/x
  3. Step 3: Cross multiply
    256,022,352.01x = 383,990,212.92 × 71,747,417.02
  4. Step 4: Simplify right side
    256,022,352.01x = 27,550,305,937,969,832
  5. Step 5: Solve for x
    x = 27,550,305,937,969,832/256,022,352.01
  6. Step 6: Final answer
    x = 107,608,986.96

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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.