Home / 72,592,964.20-108,889,446.30-36,313,258.60

Finding the Fourth Proportional to 72,592,964.20, 108,889,446.30 and 36,313,258.60

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Solution

The fourth proportional to 72,592,964.20, 108,889,446.30 and 36,313,258.60 is: 54,469,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592,964.20 : 108,889,446.30 = 36,313,258.60 : x
  2. Step 2: Convert to fraction form
    72,592,964.20/108,889,446.30 = 36,313,258.60/x
  3. Step 3: Cross multiply
    72,592,964.20x = 108,889,446.30 × 36,313,258.60
  4. Step 4: Simplify right side
    72,592,964.20x = 3,954,130,622,302,713
  5. Step 5: Solve for x
    x = 3,954,130,622,302,713/72,592,964.20
  6. Step 6: Final answer
    x = 54,469,887.90

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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.