Home / 45,250,561.71-67,882,596.17-20,991,940.83

Finding the Fourth Proportional to 45,250,561.71, 67,882,596.17 and 20,991,940.83

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Solution

The fourth proportional to 45,250,561.71, 67,882,596.17 and 20,991,940.83 is: 31,491,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250,561.71 : 67,882,596.17 = 20,991,940.83 : x
  2. Step 2: Convert to fraction form
    45,250,561.71/67,882,596.17 = 20,991,940.83/x
  3. Step 3: Cross multiply
    45,250,561.71x = 67,882,596.17 × 20,991,940.83
  4. Step 4: Simplify right side
    45,250,561.71x = 1,424,987,442,082,465
  5. Step 5: Solve for x
    x = 1,424,987,442,082,465/45,250,561.71
  6. Step 6: Final answer
    x = 31,491,044.27

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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.