Home / 185,854,438.32-256,741,396.92-148,930,005.12

Finding the Fourth Proportional to 185,854,438.32, 256,741,396.92 and 148,930,005.12

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Solution

The fourth proportional to 185,854,438.32, 256,741,396.92 and 148,930,005.12 is: 205,733,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,854,438.32 : 256,741,396.92 = 148,930,005.12 : x
  2. Step 2: Convert to fraction form
    185,854,438.32/256,741,396.92 = 148,930,005.12/x
  3. Step 3: Cross multiply
    185,854,438.32x = 256,741,396.92 × 148,930,005.12
  4. Step 4: Simplify right side
    185,854,438.32x = 38,236,497,557,811,552
  5. Step 5: Solve for x
    x = 38,236,497,557,811,552/185,854,438.32
  6. Step 6: Final answer
    x = 205,733,572.49

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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.