Home / 219,753,872.96-329,661,026.88-81,567,738.56

Finding the Fourth Proportional to 219,753,872.96, 329,661,026.88 and 81,567,738.56

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Solution

The fourth proportional to 219,753,872.96, 329,661,026.88 and 81,567,738.56 is: 122,362,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,753,872.96 : 329,661,026.88 = 81,567,738.56 : x
  2. Step 2: Convert to fraction form
    219,753,872.96/329,661,026.88 = 81,567,738.56/x
  3. Step 3: Cross multiply
    219,753,872.96x = 329,661,026.88 × 81,567,738.56
  4. Step 4: Simplify right side
    219,753,872.96x = 26,889,704,453,968,972
  5. Step 5: Solve for x
    x = 26,889,704,453,968,972/219,753,872.96
  6. Step 6: Final answer
    x = 122,362,823.88

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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.