Home / 85,045,420.62-127,586,735.62-27,543,504.42

Finding the Fourth Proportional to 85,045,420.62, 127,586,735.62 and 27,543,504.42

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Solution

The fourth proportional to 85,045,420.62, 127,586,735.62 and 27,543,504.42 is: 41,321,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,045,420.62 : 127,586,735.62 = 27,543,504.42 : x
  2. Step 2: Convert to fraction form
    85,045,420.62/127,586,735.62 = 27,543,504.42/x
  3. Step 3: Cross multiply
    85,045,420.62x = 127,586,735.62 × 27,543,504.42
  4. Step 4: Simplify right side
    85,045,420.62x = 3,514,185,816,413,983
  5. Step 5: Solve for x
    x = 3,514,185,816,413,983/85,045,420.62
  6. Step 6: Final answer
    x = 41,321,282.10

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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.