Home / 206,310,814,546.28-309,607,581,644.49-72,005,304,618.39

Finding the Fourth Proportional to 206,310,814,546.28, 309,607,581,644.49 and 72,005,304,618.39

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Solution

The fourth proportional to 206,310,814,546.28, 309,607,581,644.49 and 72,005,304,618.39 is: 108,057,293,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,310,814,546.28 : 309,607,581,644.49 = 72,005,304,618.39 : x
  2. Step 2: Convert to fraction form
    206,310,814,546.28/309,607,581,644.49 = 72,005,304,618.39/x
  3. Step 3: Cross multiply
    206,310,814,546.28x = 309,607,581,644.49 × 72,005,304,618.39
  4. Step 4: Simplify right side
    206,310,814,546.28x = 22,293,388,228,475,486,208,000
  5. Step 5: Solve for x
    x = 22,293,388,228,475,486,208,000/206,310,814,546.28
  6. Step 6: Final answer
    x = 108,057,293,445.83

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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.