Home / 276,660,922.23-381,968,154.50-172,392,175.35

Finding the Fourth Proportional to 276,660,922.23, 381,968,154.50 and 172,392,175.35

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Solution

The fourth proportional to 276,660,922.23, 381,968,154.50 and 172,392,175.35 is: 238,010,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,660,922.23 : 381,968,154.50 = 172,392,175.35 : x
  2. Step 2: Convert to fraction form
    276,660,922.23/381,968,154.50 = 172,392,175.35/x
  3. Step 3: Cross multiply
    276,660,922.23x = 381,968,154.50 × 172,392,175.35
  4. Step 4: Simplify right side
    276,660,922.23x = 65,848,321,067,817,928
  5. Step 5: Solve for x
    x = 65,848,321,067,817,928/276,660,922.23
  6. Step 6: Final answer
    x = 238,010,921.59

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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.