Home / 177,188,820.70-265,783,231.05-108,809,787.10

Finding the Fourth Proportional to 177,188,820.70, 265,783,231.05 and 108,809,787.10

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Solution

The fourth proportional to 177,188,820.70, 265,783,231.05 and 108,809,787.10 is: 163,214,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,188,820.70 : 265,783,231.05 = 108,809,787.10 : x
  2. Step 2: Convert to fraction form
    177,188,820.70/265,783,231.05 = 108,809,787.10/x
  3. Step 3: Cross multiply
    177,188,820.70x = 265,783,231.05 × 108,809,787.10
  4. Step 4: Simplify right side
    177,188,820.70x = 28,919,816,785,300,608
  5. Step 5: Solve for x
    x = 28,919,816,785,300,608/177,188,820.70
  6. Step 6: Final answer
    x = 163,214,680.65

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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.