Home / 67,266,951.14-100,890,845.98-21,202,833.68

Finding the Fourth Proportional to 67,266,951.14, 100,890,845.98 and 21,202,833.68

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Solution

The fourth proportional to 67,266,951.14, 100,890,845.98 and 21,202,833.68 is: 31,801,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,266,951.14 : 100,890,845.98 = 21,202,833.68 : x
  2. Step 2: Convert to fraction form
    67,266,951.14/100,890,845.98 = 21,202,833.68/x
  3. Step 3: Cross multiply
    67,266,951.14x = 100,890,845.98 × 21,202,833.68
  4. Step 4: Simplify right side
    67,266,951.14x = 2,139,171,827,148,436.75
  5. Step 5: Solve for x
    x = 2,139,171,827,148,436.75/67,266,951.14
  6. Step 6: Final answer
    x = 31,801,230.63

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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.