Home / 147,644,830.20-221,415,958.77-82,165,891.62

Finding the Fourth Proportional to 147,644,830.20, 221,415,958.77 and 82,165,891.62

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Solution

The fourth proportional to 147,644,830.20, 221,415,958.77 and 82,165,891.62 is: 123,220,295.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,644,830.20 : 221,415,958.77 = 82,165,891.62 : x
  2. Step 2: Convert to fraction form
    147,644,830.20/221,415,958.77 = 82,165,891.62/x
  3. Step 3: Cross multiply
    147,644,830.20x = 221,415,958.77 × 82,165,891.62
  4. Step 4: Simplify right side
    147,644,830.20x = 18,192,839,671,234,212
  5. Step 5: Solve for x
    x = 18,192,839,671,234,212/147,644,830.20
  6. Step 6: Final answer
    x = 123,220,295.94

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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.