Home / 82,415,568.78-123,622,073.64-27,866,463.44

Finding the Fourth Proportional to 82,415,568.78, 123,622,073.64 and 27,866,463.44

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Solution

The fourth proportional to 82,415,568.78, 123,622,073.64 and 27,866,463.44 is: 41,799,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,415,568.78 : 123,622,073.64 = 27,866,463.44 : x
  2. Step 2: Convert to fraction form
    82,415,568.78/123,622,073.64 = 27,866,463.44/x
  3. Step 3: Cross multiply
    82,415,568.78x = 123,622,073.64 × 27,866,463.44
  4. Step 4: Simplify right side
    82,415,568.78x = 3,444,909,994,847,937
  5. Step 5: Solve for x
    x = 3,444,909,994,847,937/82,415,568.78
  6. Step 6: Final answer
    x = 41,799,262.52

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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.