Home / 231,899,085.20-347,848,627.80-220,561,677.20

Finding the Fourth Proportional to 231,899,085.20, 347,848,627.80 and 220,561,677.20

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Solution

The fourth proportional to 231,899,085.20, 347,848,627.80 and 220,561,677.20 is: 330,842,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,899,085.20 : 347,848,627.80 = 220,561,677.20 : x
  2. Step 2: Convert to fraction form
    231,899,085.20/347,848,627.80 = 220,561,677.20/x
  3. Step 3: Cross multiply
    231,899,085.20x = 347,848,627.80 × 220,561,677.20
  4. Step 4: Simplify right side
    231,899,085.20x = 76,722,076,759,286,544
  5. Step 5: Solve for x
    x = 76,722,076,759,286,544/231,899,085.20
  6. Step 6: Final answer
    x = 330,842,515.80

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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.