Home / 218,450,779.20-327,455,719.20-109,107,777.60

Finding the Fourth Proportional to 218,450,779.20, 327,455,719.20 and 109,107,777.60

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Solution

The fourth proportional to 218,450,779.20, 327,455,719.20 and 109,107,777.60 is: 163,551,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,450,779.20 : 327,455,719.20 = 109,107,777.60 : x
  2. Step 2: Convert to fraction form
    218,450,779.20/327,455,719.20 = 109,107,777.60/x
  3. Step 3: Cross multiply
    218,450,779.20x = 327,455,719.20 × 109,107,777.60
  4. Step 4: Simplify right side
    218,450,779.20x = 35,727,965,784,321,648
  5. Step 5: Solve for x
    x = 35,727,965,784,321,648/218,450,779.20
  6. Step 6: Final answer
    x = 163,551,560.29

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1.5x scale

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.