Home / 219,758,298-329,206,463.06-127,448,103.44

Finding the Fourth Proportional to 219,758,298, 329,206,463.06 and 127,448,103.44

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Solution

The fourth proportional to 219,758,298, 329,206,463.06 and 127,448,103.44 is: 190,922,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,758,298 : 329,206,463.06 = 127,448,103.44 : x
  2. Step 2: Convert to fraction form
    219,758,298/329,206,463.06 = 127,448,103.44/x
  3. Step 3: Cross multiply
    219,758,298x = 329,206,463.06 × 127,448,103.44
  4. Step 4: Simplify right side
    219,758,298x = 41,956,739,354,904,144
  5. Step 5: Solve for x
    x = 41,956,739,354,904,144/219,758,298
  6. Step 6: Final answer
    x = 190,922,207.43

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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.