Home / 231,899,084.70-347,848,627.05-220,561,676.70

Finding the Fourth Proportional to 231,899,084.70, 347,848,627.05 and 220,561,676.70

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Solution

The fourth proportional to 231,899,084.70, 347,848,627.05 and 220,561,676.70 is: 330,842,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,899,084.70 : 347,848,627.05 = 220,561,676.70 : x
  2. Step 2: Convert to fraction form
    231,899,084.70/347,848,627.05 = 220,561,676.70/x
  3. Step 3: Cross multiply
    231,899,084.70x = 347,848,627.05 × 220,561,676.70
  4. Step 4: Simplify right side
    231,899,084.70x = 76,722,076,419,940,976
  5. Step 5: Solve for x
    x = 76,722,076,419,940,976/231,899,084.70
  6. Step 6: Final answer
    x = 330,842,515.05

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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.