Home / 71,970,173.64-107,783,647.68-45,980,716.12

Finding the Fourth Proportional to 71,970,173.64, 107,783,647.68 and 45,980,716.12

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Solution

The fourth proportional to 71,970,173.64, 107,783,647.68 and 45,980,716.12 is: 68,861,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,970,173.64 : 107,783,647.68 = 45,980,716.12 : x
  2. Step 2: Convert to fraction form
    71,970,173.64/107,783,647.68 = 45,980,716.12/x
  3. Step 3: Cross multiply
    71,970,173.64x = 107,783,647.68 × 45,980,716.12
  4. Step 4: Simplify right side
    71,970,173.64x = 4,955,969,306,352,177
  5. Step 5: Solve for x
    x = 4,955,969,306,352,177/71,970,173.64
  6. Step 6: Final answer
    x = 68,861,433.23

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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.