Home / 68,940,037.98-103,383,152.19-30,090,372.30

Finding the Fourth Proportional to 68,940,037.98, 103,383,152.19 and 30,090,372.30

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Solution

The fourth proportional to 68,940,037.98, 103,383,152.19 and 30,090,372.30 is: 45,123,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,940,037.98 : 103,383,152.19 = 30,090,372.30 : x
  2. Step 2: Convert to fraction form
    68,940,037.98/103,383,152.19 = 30,090,372.30/x
  3. Step 3: Cross multiply
    68,940,037.98x = 103,383,152.19 × 30,090,372.30
  4. Step 4: Simplify right side
    68,940,037.98x = 3,110,837,538,944,660.50
  5. Step 5: Solve for x
    x = 3,110,837,538,944,660.50/68,940,037.98
  6. Step 6: Final answer
    x = 45,123,815.28

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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.