Home / 219,631,022.32-329,105,932.96-127,285,716.28

Finding the Fourth Proportional to 219,631,022.32, 329,105,932.96 and 127,285,716.28

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Solution

The fourth proportional to 219,631,022.32, 329,105,932.96 and 127,285,716.28 is: 190,731,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,631,022.32 : 329,105,932.96 = 127,285,716.28 : x
  2. Step 2: Convert to fraction form
    219,631,022.32/329,105,932.96 = 127,285,716.28/x
  3. Step 3: Cross multiply
    219,631,022.32x = 329,105,932.96 × 127,285,716.28
  4. Step 4: Simplify right side
    219,631,022.32x = 41,890,484,408,811,256
  5. Step 5: Solve for x
    x = 41,890,484,408,811,256/219,631,022.32
  6. Step 6: Final answer
    x = 190,731,181.63

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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.