Home / 72,170,266.61-108,244,438.90-23,647,046.11

Finding the Fourth Proportional to 72,170,266.61, 108,244,438.90 and 23,647,046.11

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Solution

The fourth proportional to 72,170,266.61, 108,244,438.90 and 23,647,046.11 is: 35,466,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,170,266.61 : 108,244,438.90 = 23,647,046.11 : x
  2. Step 2: Convert to fraction form
    72,170,266.61/108,244,438.90 = 23,647,046.11/x
  3. Step 3: Cross multiply
    72,170,266.61x = 108,244,438.90 × 23,647,046.11
  4. Step 4: Simplify right side
    72,170,266.61x = 2,559,661,237,489,649
  5. Step 5: Solve for x
    x = 2,559,661,237,489,649/72,170,266.61
  6. Step 6: Final answer
    x = 35,466,977.71

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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.