Home / 68,780,640.08-94,917,279.96-37,840,145.12

Finding the Fourth Proportional to 68,780,640.08, 94,917,279.96 and 37,840,145.12

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Solution

The fourth proportional to 68,780,640.08, 94,917,279.96 and 37,840,145.12 is: 52,219,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,780,640.08 : 94,917,279.96 = 37,840,145.12 : x
  2. Step 2: Convert to fraction form
    68,780,640.08/94,917,279.96 = 37,840,145.12/x
  3. Step 3: Cross multiply
    68,780,640.08x = 94,917,279.96 × 37,840,145.12
  4. Step 4: Simplify right side
    68,780,640.08x = 3,591,683,648,082,067.50
  5. Step 5: Solve for x
    x = 3,591,683,648,082,067.50/68,780,640.08
  6. Step 6: Final answer
    x = 52,219,398.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.