Home / 306,073,828.40-459,110,742.60-168,324,321.20

Finding the Fourth Proportional to 306,073,828.40, 459,110,742.60 and 168,324,321.20

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Solution

The fourth proportional to 306,073,828.40, 459,110,742.60 and 168,324,321.20 is: 252,486,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,073,828.40 : 459,110,742.60 = 168,324,321.20 : x
  2. Step 2: Convert to fraction form
    306,073,828.40/459,110,742.60 = 168,324,321.20/x
  3. Step 3: Cross multiply
    306,073,828.40x = 459,110,742.60 × 168,324,321.20
  4. Step 4: Simplify right side
    306,073,828.40x = 77,279,504,103,772,928
  5. Step 5: Solve for x
    x = 77,279,504,103,772,928/306,073,828.40
  6. Step 6: Final answer
    x = 252,486,481.80

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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.