Home / 219,511,105.65-329,296,773.06-127,438,066.26

Finding the Fourth Proportional to 219,511,105.65, 329,296,773.06 and 127,438,066.26

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Solution

The fourth proportional to 219,511,105.65, 329,296,773.06 and 127,438,066.26 is: 191,174,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,511,105.65 : 329,296,773.06 = 127,438,066.26 : x
  2. Step 2: Convert to fraction form
    219,511,105.65/329,296,773.06 = 127,438,066.26/x
  3. Step 3: Cross multiply
    219,511,105.65x = 329,296,773.06 × 127,438,066.26
  4. Step 4: Simplify right side
    219,511,105.65x = 41,964,943,984,424,464
  5. Step 5: Solve for x
    x = 41,964,943,984,424,464/219,511,105.65
  6. Step 6: Final answer
    x = 191,174,582.53

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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.