Home / 166,861,029.51-230,247,052.83-91,487,523.78

Finding the Fourth Proportional to 166,861,029.51, 230,247,052.83 and 91,487,523.78

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Solution

The fourth proportional to 166,861,029.51, 230,247,052.83 and 91,487,523.78 is: 126,241,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,861,029.51 : 230,247,052.83 = 91,487,523.78 : x
  2. Step 2: Convert to fraction form
    166,861,029.51/230,247,052.83 = 91,487,523.78/x
  3. Step 3: Cross multiply
    166,861,029.51x = 230,247,052.83 × 91,487,523.78
  4. Step 4: Simplify right side
    166,861,029.51x = 21,064,732,721,059,544
  5. Step 5: Solve for x
    x = 21,064,732,721,059,544/166,861,029.51
  6. Step 6: Final answer
    x = 126,241,176.76

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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.