Home / 67,372,703.82-101,067,123.45-20,680,073.50

Finding the Fourth Proportional to 67,372,703.82, 101,067,123.45 and 20,680,073.50

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Solution

The fourth proportional to 67,372,703.82, 101,067,123.45 and 20,680,073.50 is: 31,022,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,372,703.82 : 101,067,123.45 = 20,680,073.50 : x
  2. Step 2: Convert to fraction form
    67,372,703.82/101,067,123.45 = 20,680,073.50/x
  3. Step 3: Cross multiply
    67,372,703.82x = 101,067,123.45 × 20,680,073.50
  4. Step 4: Simplify right side
    67,372,703.82x = 2,090,075,541,379,573.75
  5. Step 5: Solve for x
    x = 2,090,075,541,379,573.75/67,372,703.82
  6. Step 6: Final answer
    x = 31,022,586.64

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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.