Home / 80,716,912.26-111,392,866.05-45,436,991.88

Finding the Fourth Proportional to 80,716,912.26, 111,392,866.05 and 45,436,991.88

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Solution

The fourth proportional to 80,716,912.26, 111,392,866.05 and 45,436,991.88 is: 62,705,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,716,912.26 : 111,392,866.05 = 45,436,991.88 : x
  2. Step 2: Convert to fraction form
    80,716,912.26/111,392,866.05 = 45,436,991.88/x
  3. Step 3: Cross multiply
    80,716,912.26x = 111,392,866.05 × 45,436,991.88
  4. Step 4: Simplify right side
    80,716,912.26x = 5,061,356,750,203,778
  5. Step 5: Solve for x
    x = 5,061,356,750,203,778/80,716,912.26
  6. Step 6: Final answer
    x = 62,705,034.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.