Home / 267,022,878.72-400,670,901.60-127,121,428.96

Finding the Fourth Proportional to 267,022,878.72, 400,670,901.60 and 127,121,428.96

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Solution

The fourth proportional to 267,022,878.72, 400,670,901.60 and 127,121,428.96 is: 190,747,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,022,878.72 : 400,670,901.60 = 127,121,428.96 : x
  2. Step 2: Convert to fraction form
    267,022,878.72/400,670,901.60 = 127,121,428.96/x
  3. Step 3: Cross multiply
    267,022,878.72x = 400,670,901.60 × 127,121,428.96
  4. Step 4: Simplify right side
    267,022,878.72x = 50,933,857,554,083,552
  5. Step 5: Solve for x
    x = 50,933,857,554,083,552/267,022,878.72
  6. Step 6: Final answer
    x = 190,747,166.68

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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.