Home / 213,653,358.20-320,480,037.30-149,030,132.60

Finding the Fourth Proportional to 213,653,358.20, 320,480,037.30 and 149,030,132.60

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Solution

The fourth proportional to 213,653,358.20, 320,480,037.30 and 149,030,132.60 is: 223,545,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,653,358.20 : 320,480,037.30 = 149,030,132.60 : x
  2. Step 2: Convert to fraction form
    213,653,358.20/320,480,037.30 = 149,030,132.60/x
  3. Step 3: Cross multiply
    213,653,358.20x = 320,480,037.30 × 149,030,132.60
  4. Step 4: Simplify right side
    213,653,358.20x = 47,761,182,454,471,944
  5. Step 5: Solve for x
    x = 47,761,182,454,471,944/213,653,358.20
  6. Step 6: Final answer
    x = 223,545,198.90

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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.