Home / 51,981,790.26-71,732,028.62-28,455,775.87

Finding the Fourth Proportional to 51,981,790.26, 71,732,028.62 and 28,455,775.87

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Solution

The fourth proportional to 51,981,790.26, 71,732,028.62 and 28,455,775.87 is: 39,267,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,790.26 : 71,732,028.62 = 28,455,775.87 : x
  2. Step 2: Convert to fraction form
    51,981,790.26/71,732,028.62 = 28,455,775.87/x
  3. Step 3: Cross multiply
    51,981,790.26x = 71,732,028.62 × 28,455,775.87
  4. Step 4: Simplify right side
    51,981,790.26x = 2,041,190,529,111,145.50
  5. Step 5: Solve for x
    x = 2,041,190,529,111,145.50/51,981,790.26
  6. Step 6: Final answer
    x = 39,267,414.97

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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.