Home / 51,981,800.94-71,732,043.27-28,455,786.54

Finding the Fourth Proportional to 51,981,800.94, 71,732,043.27 and 28,455,786.54

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Solution

The fourth proportional to 51,981,800.94, 71,732,043.27 and 28,455,786.54 is: 39,267,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,800.94 : 71,732,043.27 = 28,455,786.54 : x
  2. Step 2: Convert to fraction form
    51,981,800.94/71,732,043.27 = 28,455,786.54/x
  3. Step 3: Cross multiply
    51,981,800.94x = 71,732,043.27 × 28,455,786.54
  4. Step 4: Simplify right side
    51,981,800.94x = 2,041,191,711,369,163.50
  5. Step 5: Solve for x
    x = 2,041,191,711,369,163.50/51,981,800.94
  6. Step 6: Final answer
    x = 39,267,429.65

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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.