Home / 67,372,702.82-101,067,121.95-20,680,072.50

Finding the Fourth Proportional to 67,372,702.82, 101,067,121.95 and 20,680,072.50

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Solution

The fourth proportional to 67,372,702.82, 101,067,121.95 and 20,680,072.50 is: 31,022,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,372,702.82 : 101,067,121.95 = 20,680,072.50 : x
  2. Step 2: Convert to fraction form
    67,372,702.82/101,067,121.95 = 20,680,072.50/x
  3. Step 3: Cross multiply
    67,372,702.82x = 101,067,121.95 × 20,680,072.50
  4. Step 4: Simplify right side
    67,372,702.82x = 2,090,075,408,987,973.25
  5. Step 5: Solve for x
    x = 2,090,075,408,987,973.25/67,372,702.82
  6. Step 6: Final answer
    x = 31,022,585.14

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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.