Home / 185,674,906.20-278,512,359.30-121,104,824.70

Finding the Fourth Proportional to 185,674,906.20, 278,512,359.30 and 121,104,824.70

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Solution

The fourth proportional to 185,674,906.20, 278,512,359.30 and 121,104,824.70 is: 181,657,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,674,906.20 : 278,512,359.30 = 121,104,824.70 : x
  2. Step 2: Convert to fraction form
    185,674,906.20/278,512,359.30 = 121,104,824.70/x
  3. Step 3: Cross multiply
    185,674,906.20x = 278,512,359.30 × 121,104,824.70
  4. Step 4: Simplify right side
    185,674,906.20x = 33,729,190,449,809,916
  5. Step 5: Solve for x
    x = 33,729,190,449,809,916/185,674,906.20
  6. Step 6: Final answer
    x = 181,657,237.05

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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.