Home / 85,045,420.87-127,586,736-27,543,504.67

Finding the Fourth Proportional to 85,045,420.87, 127,586,736 and 27,543,504.67

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Solution

The fourth proportional to 85,045,420.87, 127,586,736 and 27,543,504.67 is: 41,321,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,045,420.87 : 127,586,736 = 27,543,504.67 : x
  2. Step 2: Convert to fraction form
    85,045,420.87/127,586,736 = 27,543,504.67/x
  3. Step 3: Cross multiply
    85,045,420.87x = 127,586,736 × 27,543,504.67
  4. Step 4: Simplify right side
    85,045,420.87x = 3,514,185,858,846,057.50
  5. Step 5: Solve for x
    x = 3,514,185,858,846,057.50/85,045,420.87
  6. Step 6: Final answer
    x = 41,321,282.47

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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.