Home / 57,217,825.70-85,775,639.27-20,800,561.34

Finding the Fourth Proportional to 57,217,825.70, 85,775,639.27 and 20,800,561.34

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Solution

The fourth proportional to 57,217,825.70, 85,775,639.27 and 20,800,561.34 is: 31,182,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217,825.70 : 85,775,639.27 = 20,800,561.34 : x
  2. Step 2: Convert to fraction form
    57,217,825.70/85,775,639.27 = 20,800,561.34/x
  3. Step 3: Cross multiply
    57,217,825.70x = 85,775,639.27 × 20,800,561.34
  4. Step 4: Simplify right side
    57,217,825.70x = 1,784,181,446,379,788.25
  5. Step 5: Solve for x
    x = 1,784,181,446,379,788.25/57,217,825.70
  6. Step 6: Final answer
    x = 31,182,265.74

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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.