Home / 230,741,980.08-318,639,773.88-148,378,864.56

Finding the Fourth Proportional to 230,741,980.08, 318,639,773.88 and 148,378,864.56

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Solution

The fourth proportional to 230,741,980.08, 318,639,773.88 and 148,378,864.56 is: 204,901,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,741,980.08 : 318,639,773.88 = 148,378,864.56 : x
  2. Step 2: Convert to fraction form
    230,741,980.08/318,639,773.88 = 148,378,864.56/x
  3. Step 3: Cross multiply
    230,741,980.08x = 318,639,773.88 × 148,378,864.56
  4. Step 4: Simplify right side
    230,741,980.08x = 47,279,407,851,969,544
  5. Step 5: Solve for x
    x = 47,279,407,851,969,544/230,741,980.08
  6. Step 6: Final answer
    x = 204,901,630.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.