Home / 76,189,481.28-105,142,255.74-41,382,851.40

Finding the Fourth Proportional to 76,189,481.28, 105,142,255.74 and 41,382,851.40

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Solution

The fourth proportional to 76,189,481.28, 105,142,255.74 and 41,382,851.40 is: 57,108,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,189,481.28 : 105,142,255.74 = 41,382,851.40 : x
  2. Step 2: Convert to fraction form
    76,189,481.28/105,142,255.74 = 41,382,851.40/x
  3. Step 3: Cross multiply
    76,189,481.28x = 105,142,255.74 × 41,382,851.40
  4. Step 4: Simplify right side
    76,189,481.28x = 4,351,086,345,149,216.50
  5. Step 5: Solve for x
    x = 4,351,086,345,149,216.50/76,189,481.28
  6. Step 6: Final answer
    x = 57,108,754.02

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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.