Home / 77,388,542.91-116,133,890.32-41,022,471.23

Finding the Fourth Proportional to 77,388,542.91, 116,133,890.32 and 41,022,471.23

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Solution

The fourth proportional to 77,388,542.91, 116,133,890.32 and 41,022,471.23 is: 61,560,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,388,542.91 : 116,133,890.32 = 41,022,471.23 : x
  2. Step 2: Convert to fraction form
    77,388,542.91/116,133,890.32 = 41,022,471.23/x
  3. Step 3: Cross multiply
    77,388,542.91x = 116,133,890.32 × 41,022,471.23
  4. Step 4: Simplify right side
    77,388,542.91x = 4,764,099,174,377,619
  5. Step 5: Solve for x
    x = 4,764,099,174,377,619/77,388,542.91
  6. Step 6: Final answer
    x = 61,560,781.42

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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.