Home / 45,427,921.60-68,116,999.20-18,471,121.60

Finding the Fourth Proportional to 45,427,921.60, 68,116,999.20 and 18,471,121.60

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Solution

The fourth proportional to 45,427,921.60, 68,116,999.20 and 18,471,121.60 is: 27,696,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,427,921.60 : 68,116,999.20 = 18,471,121.60 : x
  2. Step 2: Convert to fraction form
    45,427,921.60/68,116,999.20 = 18,471,121.60/x
  3. Step 3: Cross multiply
    45,427,921.60x = 68,116,999.20 × 18,471,121.60
  4. Step 4: Simplify right side
    45,427,921.60x = 1,258,197,375,250,303
  5. Step 5: Solve for x
    x = 1,258,197,375,250,303/45,427,921.60
  6. Step 6: Final answer
    x = 27,696,564.82

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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.