Home / 231,678,490.80-347,512,422.60-116,632,138.80

Finding the Fourth Proportional to 231,678,490.80, 347,512,422.60 and 116,632,138.80

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Solution

The fourth proportional to 231,678,490.80, 347,512,422.60 and 116,632,138.80 is: 174,945,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,678,490.80 : 347,512,422.60 = 116,632,138.80 : x
  2. Step 2: Convert to fraction form
    231,678,490.80/347,512,422.60 = 116,632,138.80/x
  3. Step 3: Cross multiply
    231,678,490.80x = 347,512,422.60 × 116,632,138.80
  4. Step 4: Simplify right side
    231,678,490.80x = 40,531,117,107,407,456
  5. Step 5: Solve for x
    x = 40,531,117,107,407,456/231,678,490.80
  6. Step 6: Final answer
    x = 174,945,533.21

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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.