Home / 91,229,293.44-125,895,422.88-49,412,319.12

Finding the Fourth Proportional to 91,229,293.44, 125,895,422.88 and 49,412,319.12

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Solution

The fourth proportional to 91,229,293.44, 125,895,422.88 and 49,412,319.12 is: 68,188,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,229,293.44 : 125,895,422.88 = 49,412,319.12 : x
  2. Step 2: Convert to fraction form
    91,229,293.44/125,895,422.88 = 49,412,319.12/x
  3. Step 3: Cross multiply
    91,229,293.44x = 125,895,422.88 × 49,412,319.12
  4. Step 4: Simplify right side
    91,229,293.44x = 6,220,784,811,093,909
  5. Step 5: Solve for x
    x = 6,220,784,811,093,909/91,229,293.44
  6. Step 6: Final answer
    x = 68,188,457.64

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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.