Home / 51,981,785.91-71,732,022.61-28,455,771.51

Finding the Fourth Proportional to 51,981,785.91, 71,732,022.61 and 28,455,771.51

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Solution

The fourth proportional to 51,981,785.91, 71,732,022.61 and 28,455,771.51 is: 39,267,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,785.91 : 71,732,022.61 = 28,455,771.51 : x
  2. Step 2: Convert to fraction form
    51,981,785.91/71,732,022.61 = 28,455,771.51/x
  3. Step 3: Cross multiply
    51,981,785.91x = 71,732,022.61 × 28,455,771.51
  4. Step 4: Simplify right side
    51,981,785.91x = 2,041,190,045,198,035.25
  5. Step 5: Solve for x
    x = 2,041,190,045,198,035.25/51,981,785.91
  6. Step 6: Final answer
    x = 39,267,408.95

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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.