Home / 275,296,991.25-379,919,872.59-149,843,127.93

Finding the Fourth Proportional to 275,296,991.25, 379,919,872.59 and 149,843,127.93

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Solution

The fourth proportional to 275,296,991.25, 379,919,872.59 and 149,843,127.93 is: 206,788,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,296,991.25 : 379,919,872.59 = 149,843,127.93 : x
  2. Step 2: Convert to fraction form
    275,296,991.25/379,919,872.59 = 149,843,127.93/x
  3. Step 3: Cross multiply
    275,296,991.25x = 379,919,872.59 × 149,843,127.93
  4. Step 4: Simplify right side
    275,296,991.25x = 56,928,382,071,652,672
  5. Step 5: Solve for x
    x = 56,928,382,071,652,672/275,296,991.25
  6. Step 6: Final answer
    x = 206,788,972.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.