Home / 80,930,286.39-121,435,285.23-37,793,220.42

Finding the Fourth Proportional to 80,930,286.39, 121,435,285.23 and 37,793,220.42

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Solution

The fourth proportional to 80,930,286.39, 121,435,285.23 and 37,793,220.42 is: 56,708,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930,286.39 : 121,435,285.23 = 37,793,220.42 : x
  2. Step 2: Convert to fraction form
    80,930,286.39/121,435,285.23 = 37,793,220.42/x
  3. Step 3: Cross multiply
    80,930,286.39x = 121,435,285.23 × 37,793,220.42
  4. Step 4: Simplify right side
    80,930,286.39x = 4,589,430,501,462,961
  5. Step 5: Solve for x
    x = 4,589,430,501,462,961/80,930,286.39
  6. Step 6: Final answer
    x = 56,708,442.61

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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.