Home / 219,844,834.20-329,767,251.30-143,317,330.20

Finding the Fourth Proportional to 219,844,834.20, 329,767,251.30 and 143,317,330.20

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Solution

The fourth proportional to 219,844,834.20, 329,767,251.30 and 143,317,330.20 is: 214,975,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,844,834.20 : 329,767,251.30 = 143,317,330.20 : x
  2. Step 2: Convert to fraction form
    219,844,834.20/329,767,251.30 = 143,317,330.20/x
  3. Step 3: Cross multiply
    219,844,834.20x = 329,767,251.30 × 143,317,330.20
  4. Step 4: Simplify right side
    219,844,834.20x = 47,261,362,043,708,480
  5. Step 5: Solve for x
    x = 47,261,362,043,708,480/219,844,834.20
  6. Step 6: Final answer
    x = 214,975,995.30

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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.