Home / 45,250,562.71-67,882,597.67-20,991,941.83

Finding the Fourth Proportional to 45,250,562.71, 67,882,597.67 and 20,991,941.83

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Solution

The fourth proportional to 45,250,562.71, 67,882,597.67 and 20,991,941.83 is: 31,491,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250,562.71 : 67,882,597.67 = 20,991,941.83 : x
  2. Step 2: Convert to fraction form
    45,250,562.71/67,882,597.67 = 20,991,941.83/x
  3. Step 3: Cross multiply
    45,250,562.71x = 67,882,597.67 × 20,991,941.83
  4. Step 4: Simplify right side
    45,250,562.71x = 1,424,987,541,557,933.50
  5. Step 5: Solve for x
    x = 1,424,987,541,557,933.50/45,250,562.71
  6. Step 6: Final answer
    x = 31,491,045.77

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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.