Home / 267,231,285.66-400,325,083.55-126,972,141.81

Finding the Fourth Proportional to 267,231,285.66, 400,325,083.55 and 126,972,141.81

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Solution

The fourth proportional to 267,231,285.66, 400,325,083.55 and 126,972,141.81 is: 190,210,263.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,231,285.66 : 400,325,083.55 = 126,972,141.81 : x
  2. Step 2: Convert to fraction form
    267,231,285.66/400,325,083.55 = 126,972,141.81/x
  3. Step 3: Cross multiply
    267,231,285.66x = 400,325,083.55 × 126,972,141.81
  4. Step 4: Simplify right side
    267,231,285.66x = 50,830,133,277,975,840
  5. Step 5: Solve for x
    x = 50,830,133,277,975,840/267,231,285.66
  6. Step 6: Final answer
    x = 190,210,263.56

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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.