Home / 133,455,965.40-200,183,948.10-82,171,690.20

Finding the Fourth Proportional to 133,455,965.40, 200,183,948.10 and 82,171,690.20

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Solution

The fourth proportional to 133,455,965.40, 200,183,948.10 and 82,171,690.20 is: 123,257,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,455,965.40 : 200,183,948.10 = 82,171,690.20 : x
  2. Step 2: Convert to fraction form
    133,455,965.40/200,183,948.10 = 82,171,690.20/x
  3. Step 3: Cross multiply
    133,455,965.40x = 200,183,948.10 × 82,171,690.20
  4. Step 4: Simplify right side
    133,455,965.40x = 16,449,453,366,286,078
  5. Step 5: Solve for x
    x = 16,449,453,366,286,078/133,455,965.40
  6. Step 6: Final answer
    x = 123,257,535.30

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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.