Home / 65,481,183.90-98,205,016.08-19,412,279.94

Finding the Fourth Proportional to 65,481,183.90, 98,205,016.08 and 19,412,279.94

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Solution

The fourth proportional to 65,481,183.90, 98,205,016.08 and 19,412,279.94 is: 29,113,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,481,183.90 : 98,205,016.08 = 19,412,279.94 : x
  2. Step 2: Convert to fraction form
    65,481,183.90/98,205,016.08 = 19,412,279.94/x
  3. Step 3: Cross multiply
    65,481,183.90x = 98,205,016.08 × 19,412,279.94
  4. Step 4: Simplify right side
    65,481,183.90x = 1,906,383,263,657,161.50
  5. Step 5: Solve for x
    x = 1,906,383,263,657,161.50/65,481,183.90
  6. Step 6: Final answer
    x = 29,113,451.38

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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.