Home / 185,854,440.32-256,741,399.68-148,930,007.12

Finding the Fourth Proportional to 185,854,440.32, 256,741,399.68 and 148,930,007.12

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Solution

The fourth proportional to 185,854,440.32, 256,741,399.68 and 148,930,007.12 is: 205,733,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,854,440.32 : 256,741,399.68 = 148,930,007.12 : x
  2. Step 2: Convert to fraction form
    185,854,440.32/256,741,399.68 = 148,930,007.12/x
  3. Step 3: Cross multiply
    185,854,440.32x = 256,741,399.68 × 148,930,007.12
  4. Step 4: Simplify right side
    185,854,440.32x = 38,236,498,482,341,168
  5. Step 5: Solve for x
    x = 38,236,498,482,341,168/185,854,440.32
  6. Step 6: Final answer
    x = 205,733,575.25

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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.