Home / 218,416,157.54-327,670,249.19-70,852,195.31

Finding the Fourth Proportional to 218,416,157.54, 327,670,249.19 and 70,852,195.31

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Solution

The fourth proportional to 218,416,157.54, 327,670,249.19 and 70,852,195.31 is: 106,293,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,416,157.54 : 327,670,249.19 = 70,852,195.31 : x
  2. Step 2: Convert to fraction form
    218,416,157.54/327,670,249.19 = 70,852,195.31/x
  3. Step 3: Cross multiply
    218,416,157.54x = 327,670,249.19 × 70,852,195.31
  4. Step 4: Simplify right side
    218,416,157.54x = 23,216,156,491,247,900
  5. Step 5: Solve for x
    x = 23,216,156,491,247,900/218,416,157.54
  6. Step 6: Final answer
    x = 106,293,219.11

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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.