Home / 131,601,133.26-181,615,238.10-72,863,796.54

Finding the Fourth Proportional to 131,601,133.26, 181,615,238.10 and 72,863,796.54

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Solution

The fourth proportional to 131,601,133.26, 181,615,238.10 and 72,863,796.54 is: 100,555,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,601,133.26 : 181,615,238.10 = 72,863,796.54 : x
  2. Step 2: Convert to fraction form
    131,601,133.26/181,615,238.10 = 72,863,796.54/x
  3. Step 3: Cross multiply
    131,601,133.26x = 181,615,238.10 × 72,863,796.54
  4. Step 4: Simplify right side
    131,601,133.26x = 13,233,175,757,482,056
  5. Step 5: Solve for x
    x = 13,233,175,757,482,056/131,601,133.26
  6. Step 6: Final answer
    x = 100,555,180.87

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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.