Home / 442,869,761.40-664,304,642.10-136,122,016.20

Finding the Fourth Proportional to 442,869,761.40, 664,304,642.10 and 136,122,016.20

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Solution

The fourth proportional to 442,869,761.40, 664,304,642.10 and 136,122,016.20 is: 204,183,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,869,761.40 : 664,304,642.10 = 136,122,016.20 : x
  2. Step 2: Convert to fraction form
    442,869,761.40/664,304,642.10 = 136,122,016.20/x
  3. Step 3: Cross multiply
    442,869,761.40x = 664,304,642.10 × 136,122,016.20
  4. Step 4: Simplify right side
    442,869,761.40x = 90,426,487,253,671,392
  5. Step 5: Solve for x
    x = 90,426,487,253,671,392/442,869,761.40
  6. Step 6: Final answer
    x = 204,183,024.30

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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.