Home / 145,450,952.82-200,726,584.56-79,375,715.82

Finding the Fourth Proportional to 145,450,952.82, 200,726,584.56 and 79,375,715.82

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Solution

The fourth proportional to 145,450,952.82, 200,726,584.56 and 79,375,715.82 is: 109,540,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,450,952.82 : 200,726,584.56 = 79,375,715.82 : x
  2. Step 2: Convert to fraction form
    145,450,952.82/200,726,584.56 = 79,375,715.82/x
  3. Step 3: Cross multiply
    145,450,952.82x = 200,726,584.56 × 79,375,715.82
  4. Step 4: Simplify right side
    145,450,952.82x = 15,932,816,333,553,758
  5. Step 5: Solve for x
    x = 15,932,816,333,553,758/145,450,952.82
  6. Step 6: Final answer
    x = 109,540,817.88

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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.