Home / 275,099,299.38-379,640,167.65-157,622,271.30

Finding the Fourth Proportional to 275,099,299.38, 379,640,167.65 and 157,622,271.30

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Solution

The fourth proportional to 275,099,299.38, 379,640,167.65 and 157,622,271.30 is: 217,520,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,099,299.38 : 379,640,167.65 = 157,622,271.30 : x
  2. Step 2: Convert to fraction form
    275,099,299.38/379,640,167.65 = 157,622,271.30/x
  3. Step 3: Cross multiply
    275,099,299.38x = 379,640,167.65 × 157,622,271.30
  4. Step 4: Simplify right side
    275,099,299.38x = 59,839,745,501,705,784
  5. Step 5: Solve for x
    x = 59,839,745,501,705,784/275,099,299.38
  6. Step 6: Final answer
    x = 217,520,530.36

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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.