Home / 73,404,121.60-109,954,809.60-43,019,891.20

Finding the Fourth Proportional to 73,404,121.60, 109,954,809.60 and 43,019,891.20

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Solution

The fourth proportional to 73,404,121.60, 109,954,809.60 and 43,019,891.20 is: 64,441,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,404,121.60 : 109,954,809.60 = 43,019,891.20 : x
  2. Step 2: Convert to fraction form
    73,404,121.60/109,954,809.60 = 43,019,891.20/x
  3. Step 3: Cross multiply
    73,404,121.60x = 109,954,809.60 × 43,019,891.20
  4. Step 4: Simplify right side
    73,404,121.60x = 4,730,243,945,908,716
  5. Step 5: Solve for x
    x = 4,730,243,945,908,716/73,404,121.60
  6. Step 6: Final answer
    x = 64,441,121.87

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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.