Home / 75,503,694.06-113,237,137.14-20,914,861.86

Finding the Fourth Proportional to 75,503,694.06, 113,237,137.14 and 20,914,861.86

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Solution

The fourth proportional to 75,503,694.06, 113,237,137.14 and 20,914,861.86 is: 31,367,194.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,503,694.06 : 113,237,137.14 = 20,914,861.86 : x
  2. Step 2: Convert to fraction form
    75,503,694.06/113,237,137.14 = 20,914,861.86/x
  3. Step 3: Cross multiply
    75,503,694.06x = 113,237,137.14 × 20,914,861.86
  4. Step 4: Simplify right side
    75,503,694.06x = 2,368,339,080,704,975.50
  5. Step 5: Solve for x
    x = 2,368,339,080,704,975.50/75,503,694.06
  6. Step 6: Final answer
    x = 31,367,194.81

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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.