Home / 205,231,640.27-283,216,163.15-111,145,022.69

Finding the Fourth Proportional to 205,231,640.27, 283,216,163.15 and 111,145,022.69

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Solution

The fourth proportional to 205,231,640.27, 283,216,163.15 and 111,145,022.69 is: 153,378,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,231,640.27 : 283,216,163.15 = 111,145,022.69 : x
  2. Step 2: Convert to fraction form
    205,231,640.27/283,216,163.15 = 111,145,022.69/x
  3. Step 3: Cross multiply
    205,231,640.27x = 283,216,163.15 × 111,145,022.69
  4. Step 4: Simplify right side
    205,231,640.27x = 31,478,066,877,509,684
  5. Step 5: Solve for x
    x = 31,478,066,877,509,684/205,231,640.27
  6. Step 6: Final answer
    x = 153,378,235.62

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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.