Home / 131,840,656.07-181,923,382.62-72,286,279.88

Finding the Fourth Proportional to 131,840,656.07, 181,923,382.62 and 72,286,279.88

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Solution

The fourth proportional to 131,840,656.07, 181,923,382.62 and 72,286,279.88 is: 99,745,897.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,840,656.07 : 181,923,382.62 = 72,286,279.88 : x
  2. Step 2: Convert to fraction form
    131,840,656.07/181,923,382.62 = 72,286,279.88/x
  3. Step 3: Cross multiply
    131,840,656.07x = 181,923,382.62 × 72,286,279.88
  4. Step 4: Simplify right side
    131,840,656.07x = 13,150,564,551,876,032
  5. Step 5: Solve for x
    x = 13,150,564,551,876,032/131,840,656.07
  6. Step 6: Final answer
    x = 99,745,897.39

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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.