Home / 209,928,003.10-314,892,004.65-133,589,455.90

Finding the Fourth Proportional to 209,928,003.10, 314,892,004.65 and 133,589,455.90

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Solution

The fourth proportional to 209,928,003.10, 314,892,004.65 and 133,589,455.90 is: 200,384,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,928,003.10 : 314,892,004.65 = 133,589,455.90 : x
  2. Step 2: Convert to fraction form
    209,928,003.10/314,892,004.65 = 133,589,455.90/x
  3. Step 3: Cross multiply
    209,928,003.10x = 314,892,004.65 × 133,589,455.90
  4. Step 4: Simplify right side
    209,928,003.10x = 42,066,251,568,453,768
  5. Step 5: Solve for x
    x = 42,066,251,568,453,768/209,928,003.10
  6. Step 6: Final answer
    x = 200,384,183.85

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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.