Home / 279,749,266.80-419,176,002.60-177,330,015.60

Finding the Fourth Proportional to 279,749,266.80, 419,176,002.60 and 177,330,015.60

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Solution

The fourth proportional to 279,749,266.80, 419,176,002.60 and 177,330,015.60 is: 265,711,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,749,266.80 : 419,176,002.60 = 177,330,015.60 : x
  2. Step 2: Convert to fraction form
    279,749,266.80/419,176,002.60 = 177,330,015.60/x
  3. Step 3: Cross multiply
    279,749,266.80x = 419,176,002.60 × 177,330,015.60
  4. Step 4: Simplify right side
    279,749,266.80x = 74,332,487,080,203,648
  5. Step 5: Solve for x
    x = 74,332,487,080,203,648/279,749,266.80
  6. Step 6: Final answer
    x = 265,711,105.99

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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.