Home / 253,218,049.58-379,819,988.48-80,705,215.10

Finding the Fourth Proportional to 253,218,049.58, 379,819,988.48 and 80,705,215.10

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Solution

The fourth proportional to 253,218,049.58, 379,819,988.48 and 80,705,215.10 is: 121,055,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,218,049.58 : 379,819,988.48 = 80,705,215.10 : x
  2. Step 2: Convert to fraction form
    253,218,049.58/379,819,988.48 = 80,705,215.10/x
  3. Step 3: Cross multiply
    253,218,049.58x = 379,819,988.48 × 80,705,215.10
  4. Step 4: Simplify right side
    253,218,049.58x = 30,653,453,869,557,920
  5. Step 5: Solve for x
    x = 30,653,453,869,557,920/253,218,049.58
  6. Step 6: Final answer
    x = 121,055,564.25

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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.