Home / 67,193,644.38-100,806,485.13-21,755,452.38

Finding the Fourth Proportional to 67,193,644.38, 100,806,485.13 and 21,755,452.38

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Solution

The fourth proportional to 67,193,644.38, 100,806,485.13 and 21,755,452.38 is: 32,638,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,193,644.38 : 100,806,485.13 = 21,755,452.38 : x
  2. Step 2: Convert to fraction form
    67,193,644.38/100,806,485.13 = 21,755,452.38/x
  3. Step 3: Cross multiply
    67,193,644.38x = 100,806,485.13 × 21,755,452.38
  4. Step 4: Simplify right side
    67,193,644.38x = 2,193,090,686,840,893
  5. Step 5: Solve for x
    x = 2,193,090,686,840,893/67,193,644.38
  6. Step 6: Final answer
    x = 32,638,364.94

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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.