Home / 213,795,784.26-320,694,743.97-75,621,518.55

Finding the Fourth Proportional to 213,795,784.26, 320,694,743.97 and 75,621,518.55

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Solution

The fourth proportional to 213,795,784.26, 320,694,743.97 and 75,621,518.55 is: 113,432,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,795,784.26 : 320,694,743.97 = 75,621,518.55 : x
  2. Step 2: Convert to fraction form
    213,795,784.26/320,694,743.97 = 75,621,518.55/x
  3. Step 3: Cross multiply
    213,795,784.26x = 320,694,743.97 × 75,621,518.55
  4. Step 4: Simplify right side
    213,795,784.26x = 24,251,423,530,014,856
  5. Step 5: Solve for x
    x = 24,251,423,530,014,856/213,795,784.26
  6. Step 6: Final answer
    x = 113,432,655.44

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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.