Home / 179,610,778.70-269,416,168.05-140,868,729.80

Finding the Fourth Proportional to 179,610,778.70, 269,416,168.05 and 140,868,729.80

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Solution

The fourth proportional to 179,610,778.70, 269,416,168.05 and 140,868,729.80 is: 211,303,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,610,778.70 : 269,416,168.05 = 140,868,729.80 : x
  2. Step 2: Convert to fraction form
    179,610,778.70/269,416,168.05 = 140,868,729.80/x
  3. Step 3: Cross multiply
    179,610,778.70x = 269,416,168.05 × 140,868,729.80
  4. Step 4: Simplify right side
    179,610,778.70x = 37,952,313,380,786,848
  5. Step 5: Solve for x
    x = 37,952,313,380,786,848/179,610,778.70
  6. Step 6: Final answer
    x = 211,303,094.70

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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.