Home / 145,450,953.82-200,726,585.94-79,375,716.82

Finding the Fourth Proportional to 145,450,953.82, 200,726,585.94 and 79,375,716.82

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Solution

The fourth proportional to 145,450,953.82, 200,726,585.94 and 79,375,716.82 is: 109,540,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,450,953.82 : 200,726,585.94 = 79,375,716.82 : x
  2. Step 2: Convert to fraction form
    145,450,953.82/200,726,585.94 = 79,375,716.82/x
  3. Step 3: Cross multiply
    145,450,953.82x = 200,726,585.94 × 79,375,716.82
  4. Step 4: Simplify right side
    145,450,953.82x = 15,932,816,643,818,832
  5. Step 5: Solve for x
    x = 15,932,816,643,818,832/145,450,953.82
  6. Step 6: Final answer
    x = 109,540,819.26

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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.