Home / 177,187,745.20-265,781,617.80-108,808,711.60

Finding the Fourth Proportional to 177,187,745.20, 265,781,617.80 and 108,808,711.60

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Solution

The fourth proportional to 177,187,745.20, 265,781,617.80 and 108,808,711.60 is: 163,213,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,187,745.20 : 265,781,617.80 = 108,808,711.60 : x
  2. Step 2: Convert to fraction form
    177,187,745.20/265,781,617.80 = 108,808,711.60/x
  3. Step 3: Cross multiply
    177,187,745.20x = 265,781,617.80 × 108,808,711.60
  4. Step 4: Simplify right side
    177,187,745.20x = 28,919,355,399,781,628
  5. Step 5: Solve for x
    x = 28,919,355,399,781,628/177,187,745.20
  6. Step 6: Final answer
    x = 163,213,067.40

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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.