Home / 73,164,121.20-109,746,229.14-18,580,800.24

Finding the Fourth Proportional to 73,164,121.20, 109,746,229.14 and 18,580,800.24

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Solution

The fourth proportional to 73,164,121.20, 109,746,229.14 and 18,580,800.24 is: 27,871,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,164,121.20 : 109,746,229.14 = 18,580,800.24 : x
  2. Step 2: Convert to fraction form
    73,164,121.20/109,746,229.14 = 18,580,800.24/x
  3. Step 3: Cross multiply
    73,164,121.20x = 109,746,229.14 × 18,580,800.24
  4. Step 4: Simplify right side
    73,164,121.20x = 2,039,172,760,743,606.75
  5. Step 5: Solve for x
    x = 2,039,172,760,743,606.75/73,164,121.20
  6. Step 6: Final answer
    x = 27,871,212.38

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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.