Home / 231,307,086.80-346,961,811.38-77,954,471.84

Finding the Fourth Proportional to 231,307,086.80, 346,961,811.38 and 77,954,471.84

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Solution

The fourth proportional to 231,307,086.80, 346,961,811.38 and 77,954,471.84 is: 116,932,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,307,086.80 : 346,961,811.38 = 77,954,471.84 : x
  2. Step 2: Convert to fraction form
    231,307,086.80/346,961,811.38 = 77,954,471.84/x
  3. Step 3: Cross multiply
    231,307,086.80x = 346,961,811.38 × 77,954,471.84
  4. Step 4: Simplify right side
    231,307,086.80x = 27,047,224,752,653,016
  5. Step 5: Solve for x
    x = 27,047,224,752,653,016/231,307,086.80
  6. Step 6: Final answer
    x = 116,932,105.83

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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.