Home / 218,149,583.08-327,200,202.30-78,084,446.44

Finding the Fourth Proportional to 218,149,583.08, 327,200,202.30 and 78,084,446.44

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Solution

The fourth proportional to 218,149,583.08, 327,200,202.30 and 78,084,446.44 is: 117,118,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,149,583.08 : 327,200,202.30 = 78,084,446.44 : x
  2. Step 2: Convert to fraction form
    218,149,583.08/327,200,202.30 = 78,084,446.44/x
  3. Step 3: Cross multiply
    218,149,583.08x = 327,200,202.30 × 78,084,446.44
  4. Step 4: Simplify right side
    218,149,583.08x = 25,549,246,671,651,516
  5. Step 5: Solve for x
    x = 25,549,246,671,651,516/218,149,583.08
  6. Step 6: Final answer
    x = 117,118,017.42

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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.