Home / 67,372,702.57-101,067,121.57-20,680,072.25

Finding the Fourth Proportional to 67,372,702.57, 101,067,121.57 and 20,680,072.25

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Solution

The fourth proportional to 67,372,702.57, 101,067,121.57 and 20,680,072.25 is: 31,022,584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,372,702.57 : 101,067,121.57 = 20,680,072.25 : x
  2. Step 2: Convert to fraction form
    67,372,702.57/101,067,121.57 = 20,680,072.25/x
  3. Step 3: Cross multiply
    67,372,702.57x = 101,067,121.57 × 20,680,072.25
  4. Step 4: Simplify right side
    67,372,702.57x = 2,090,075,375,863,663.50
  5. Step 5: Solve for x
    x = 2,090,075,375,863,663.50/67,372,702.57
  6. Step 6: Final answer
    x = 31,022,584.76

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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.