Home / 85,045,418.37-127,586,732.24-27,543,502.17

Finding the Fourth Proportional to 85,045,418.37, 127,586,732.24 and 27,543,502.17

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Solution

The fourth proportional to 85,045,418.37, 127,586,732.24 and 27,543,502.17 is: 41,321,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,045,418.37 : 127,586,732.24 = 27,543,502.17 : x
  2. Step 2: Convert to fraction form
    85,045,418.37/127,586,732.24 = 27,543,502.17/x
  3. Step 3: Cross multiply
    85,045,418.37x = 127,586,732.24 × 27,543,502.17
  4. Step 4: Simplify right side
    85,045,418.37x = 3,514,185,436,384,508
  5. Step 5: Solve for x
    x = 3,514,185,436,384,508/85,045,418.37
  6. Step 6: Final answer
    x = 41,321,278.72

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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.