Home / 144,982,713.58-217,187,090.87-126,807,431.38

Finding the Fourth Proportional to 144,982,713.58, 217,187,090.87 and 126,807,431.38

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Solution

The fourth proportional to 144,982,713.58, 217,187,090.87 and 126,807,431.38 is: 189,960,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,982,713.58 : 217,187,090.87 = 126,807,431.38 : x
  2. Step 2: Convert to fraction form
    144,982,713.58/217,187,090.87 = 126,807,431.38/x
  3. Step 3: Cross multiply
    144,982,713.58x = 217,187,090.87 × 126,807,431.38
  4. Step 4: Simplify right side
    144,982,713.58x = 27,540,937,122,165,108
  5. Step 5: Solve for x
    x = 27,540,937,122,165,108/144,982,713.58
  6. Step 6: Final answer
    x = 189,960,143.81

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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.