Home / 131,757,512.27-181,825,372.14-73,029,005.78

Finding the Fourth Proportional to 131,757,512.27, 181,825,372.14 and 73,029,005.78

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Solution

The fourth proportional to 131,757,512.27, 181,825,372.14 and 73,029,005.78 is: 100,780,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,757,512.27 : 181,825,372.14 = 73,029,005.78 : x
  2. Step 2: Convert to fraction form
    131,757,512.27/181,825,372.14 = 73,029,005.78/x
  3. Step 3: Cross multiply
    131,757,512.27x = 181,825,372.14 × 73,029,005.78
  4. Step 4: Simplify right side
    131,757,512.27x = 13,278,526,153,417,274
  5. Step 5: Solve for x
    x = 13,278,526,153,417,274/131,757,512.27
  6. Step 6: Final answer
    x = 100,780,030.86

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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.