Home / 275,304,089-379,927,474.54-149,864,374.64

Finding the Fourth Proportional to 275,304,089, 379,927,474.54 and 149,864,374.64

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Solution

The fourth proportional to 275,304,089, 379,927,474.54 and 149,864,374.64 is: 206,817,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,304,089 : 379,927,474.54 = 149,864,374.64 : x
  2. Step 2: Convert to fraction form
    275,304,089/379,927,474.54 = 149,864,374.64/x
  3. Step 3: Cross multiply
    275,304,089x = 379,927,474.54 × 149,864,374.64
  4. Step 4: Simplify right side
    275,304,089x = 56,937,593,380,491,616
  5. Step 5: Solve for x
    x = 56,937,593,380,491,616/275,304,089
  6. Step 6: Final answer
    x = 206,817,100.27

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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.