Home / 144,713,338.92-199,705,668.84-78,633,837

Finding the Fourth Proportional to 144,713,338.92, 199,705,668.84 and 78,633,837

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Solution

The fourth proportional to 144,713,338.92, 199,705,668.84 and 78,633,837 is: 108,515,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,713,338.92 : 199,705,668.84 = 78,633,837 : x
  2. Step 2: Convert to fraction form
    144,713,338.92/199,705,668.84 = 78,633,837/x
  3. Step 3: Cross multiply
    144,713,338.92x = 199,705,668.84 × 78,633,837
  4. Step 4: Simplify right side
    144,713,338.92x = 15,703,623,011,540,540
  5. Step 5: Solve for x
    x = 15,703,623,011,540,540/144,713,338.92
  6. Step 6: Final answer
    x = 108,515,380.33

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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.