Home / 207,597,627.30-311,183,864.55-121,291,608.90

Finding the Fourth Proportional to 207,597,627.30, 311,183,864.55 and 121,291,608.90

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Solution

The fourth proportional to 207,597,627.30, 311,183,864.55 and 121,291,608.90 is: 181,813,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,597,627.30 : 311,183,864.55 = 121,291,608.90 : x
  2. Step 2: Convert to fraction form
    207,597,627.30/311,183,864.55 = 121,291,608.90/x
  3. Step 3: Cross multiply
    207,597,627.30x = 311,183,864.55 × 121,291,608.90
  4. Step 4: Simplify right side
    207,597,627.30x = 37,743,991,594,989,176
  5. Step 5: Solve for x
    x = 37,743,991,594,989,176/207,597,627.30
  6. Step 6: Final answer
    x = 181,813,212.83

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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.