Home / 67,193,645.88-100,806,487.38-21,755,453.88

Finding the Fourth Proportional to 67,193,645.88, 100,806,487.38 and 21,755,453.88

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Solution

The fourth proportional to 67,193,645.88, 100,806,487.38 and 21,755,453.88 is: 32,638,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,193,645.88 : 100,806,487.38 = 21,755,453.88 : x
  2. Step 2: Convert to fraction form
    67,193,645.88/100,806,487.38 = 21,755,453.88/x
  3. Step 3: Cross multiply
    67,193,645.88x = 100,806,487.38 × 21,755,453.88
  4. Step 4: Simplify right side
    67,193,645.88x = 2,193,090,887,000,391.75
  5. Step 5: Solve for x
    x = 2,193,090,887,000,391.75/67,193,645.88
  6. Step 6: Final answer
    x = 32,638,367.19

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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.