Home / 109,786,645.80-164,679,968.70-49,320,469.80

Finding the Fourth Proportional to 109,786,645.80, 164,679,968.70 and 49,320,469.80

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Solution

The fourth proportional to 109,786,645.80, 164,679,968.70 and 49,320,469.80 is: 73,980,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,786,645.80 : 164,679,968.70 = 49,320,469.80 : x
  2. Step 2: Convert to fraction form
    109,786,645.80/164,679,968.70 = 49,320,469.80/x
  3. Step 3: Cross multiply
    109,786,645.80x = 164,679,968.70 × 49,320,469.80
  4. Step 4: Simplify right side
    109,786,645.80x = 8,122,093,422,933,294
  5. Step 5: Solve for x
    x = 8,122,093,422,933,294/109,786,645.80
  6. Step 6: Final answer
    x = 73,980,704.70

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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.