Home / 51,420,578.76-77,076,640.26-16,867,961.64

Finding the Fourth Proportional to 51,420,578.76, 77,076,640.26 and 16,867,961.64

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Solution

The fourth proportional to 51,420,578.76, 77,076,640.26 and 16,867,961.64 is: 25,284,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,420,578.76 : 77,076,640.26 = 16,867,961.64 : x
  2. Step 2: Convert to fraction form
    51,420,578.76/77,076,640.26 = 16,867,961.64/x
  3. Step 3: Cross multiply
    51,420,578.76x = 77,076,640.26 × 16,867,961.64
  4. Step 4: Simplify right side
    51,420,578.76x = 1,300,125,811,245,759.75
  5. Step 5: Solve for x
    x = 1,300,125,811,245,759.75/51,420,578.76
  6. Step 6: Final answer
    x = 25,284,153.59

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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.