Home / 72,715,431.64-100,352,212.86-41,787,929.56

Finding the Fourth Proportional to 72,715,431.64, 100,352,212.86 and 41,787,929.56

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Solution

The fourth proportional to 72,715,431.64, 100,352,212.86 and 41,787,929.56 is: 57,670,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,715,431.64 : 100,352,212.86 = 41,787,929.56 : x
  2. Step 2: Convert to fraction form
    72,715,431.64/100,352,212.86 = 41,787,929.56/x
  3. Step 3: Cross multiply
    72,715,431.64x = 100,352,212.86 × 41,787,929.56
  4. Step 4: Simplify right side
    72,715,431.64x = 4,193,511,202,183,806.50
  5. Step 5: Solve for x
    x = 4,193,511,202,183,806.50/72,715,431.64
  6. Step 6: Final answer
    x = 57,670,168.60

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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.