Home / 85,045,556.75-127,586,939.81-27,543,640.55

Finding the Fourth Proportional to 85,045,556.75, 127,586,939.81 and 27,543,640.55

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Solution

The fourth proportional to 85,045,556.75, 127,586,939.81 and 27,543,640.55 is: 41,321,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,045,556.75 : 127,586,939.81 = 27,543,640.55 : x
  2. Step 2: Convert to fraction form
    85,045,556.75/127,586,939.81 = 27,543,640.55/x
  3. Step 3: Cross multiply
    85,045,556.75x = 127,586,939.81 × 27,543,640.55
  4. Step 4: Simplify right side
    85,045,556.75x = 3,514,208,808,225,473
  5. Step 5: Solve for x
    x = 3,514,208,808,225,473/85,045,556.75
  6. Step 6: Final answer
    x = 41,321,486.30

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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.