Home / 68,887,840.80-103,344,474.94-28,501,474.08

Finding the Fourth Proportional to 68,887,840.80, 103,344,474.94 and 28,501,474.08

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Solution

The fourth proportional to 68,887,840.80, 103,344,474.94 and 28,501,474.08 is: 42,757,471.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,887,840.80 : 103,344,474.94 = 28,501,474.08 : x
  2. Step 2: Convert to fraction form
    68,887,840.80/103,344,474.94 = 28,501,474.08/x
  3. Step 3: Cross multiply
    68,887,840.80x = 103,344,474.94 × 28,501,474.08
  4. Step 4: Simplify right side
    68,887,840.80x = 2,945,469,873,813,619.50
  5. Step 5: Solve for x
    x = 2,945,469,873,813,619.50/68,887,840.80
  6. Step 6: Final answer
    x = 42,757,471.27

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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.