Home / 72,715,432.64-100,352,214.24-41,787,930.56

Finding the Fourth Proportional to 72,715,432.64, 100,352,214.24 and 41,787,930.56

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Solution

The fourth proportional to 72,715,432.64, 100,352,214.24 and 41,787,930.56 is: 57,670,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,715,432.64 : 100,352,214.24 = 41,787,930.56 : x
  2. Step 2: Convert to fraction form
    72,715,432.64/100,352,214.24 = 41,787,930.56/x
  3. Step 3: Cross multiply
    72,715,432.64x = 100,352,214.24 × 41,787,930.56
  4. Step 4: Simplify right side
    72,715,432.64x = 4,193,511,360,203,363
  5. Step 5: Solve for x
    x = 4,193,511,360,203,363/72,715,432.64
  6. Step 6: Final answer
    x = 57,670,169.98

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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.