Home / 118,206,523.20-177,309,784.80-72,856,891.20

Finding the Fourth Proportional to 118,206,523.20, 177,309,784.80 and 72,856,891.20

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Solution

The fourth proportional to 118,206,523.20, 177,309,784.80 and 72,856,891.20 is: 109,285,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,206,523.20 : 177,309,784.80 = 72,856,891.20 : x
  2. Step 2: Convert to fraction form
    118,206,523.20/177,309,784.80 = 72,856,891.20/x
  3. Step 3: Cross multiply
    118,206,523.20x = 177,309,784.80 × 72,856,891.20
  4. Step 4: Simplify right side
    118,206,523.20x = 12,918,239,699,869,016
  5. Step 5: Solve for x
    x = 12,918,239,699,869,016/118,206,523.20
  6. Step 6: Final answer
    x = 109,285,336.80

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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.