Home / 177,147,187.20-265,720,780.80-100,619,683.20

Finding the Fourth Proportional to 177,147,187.20, 265,720,780.80 and 100,619,683.20

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Solution

The fourth proportional to 177,147,187.20, 265,720,780.80 and 100,619,683.20 is: 150,929,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,187.20 : 265,720,780.80 = 100,619,683.20 : x
  2. Step 2: Convert to fraction form
    177,147,187.20/265,720,780.80 = 100,619,683.20/x
  3. Step 3: Cross multiply
    177,147,187.20x = 265,720,780.80 × 100,619,683.20
  4. Step 4: Simplify right side
    177,147,187.20x = 26,736,740,783,752,644
  5. Step 5: Solve for x
    x = 26,736,740,783,752,644/177,147,187.20
  6. Step 6: Final answer
    x = 150,929,524.80

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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.