Home / 55,096,350.26-82,618,987.06-20,543,474.56

Finding the Fourth Proportional to 55,096,350.26, 82,618,987.06 and 20,543,474.56

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Solution

The fourth proportional to 55,096,350.26, 82,618,987.06 and 20,543,474.56 is: 30,805,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,096,350.26 : 82,618,987.06 = 20,543,474.56 : x
  2. Step 2: Convert to fraction form
    55,096,350.26/82,618,987.06 = 20,543,474.56/x
  3. Step 3: Cross multiply
    55,096,350.26x = 82,618,987.06 × 20,543,474.56
  4. Step 4: Simplify right side
    55,096,350.26x = 1,697,281,058,840,079.25
  5. Step 5: Solve for x
    x = 1,697,281,058,840,079.25/55,096,350.26
  6. Step 6: Final answer
    x = 30,805,689.50

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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.