Home / 219,844,835.20-329,767,252.80-143,317,331.20

Finding the Fourth Proportional to 219,844,835.20, 329,767,252.80 and 143,317,331.20

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Solution

The fourth proportional to 219,844,835.20, 329,767,252.80 and 143,317,331.20 is: 214,975,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,844,835.20 : 329,767,252.80 = 143,317,331.20 : x
  2. Step 2: Convert to fraction form
    219,844,835.20/329,767,252.80 = 143,317,331.20/x
  3. Step 3: Cross multiply
    219,844,835.20x = 329,767,252.80 × 143,317,331.20
  4. Step 4: Simplify right side
    219,844,835.20x = 47,261,362,588,451,728
  5. Step 5: Solve for x
    x = 47,261,362,588,451,728/219,844,835.20
  6. Step 6: Final answer
    x = 214,975,996.80

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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.