Home / 276,660,946.98-381,968,188.68-172,392,200.10

Finding the Fourth Proportional to 276,660,946.98, 381,968,188.68 and 172,392,200.10

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Solution

The fourth proportional to 276,660,946.98, 381,968,188.68 and 172,392,200.10 is: 238,010,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,660,946.98 : 381,968,188.68 = 172,392,200.10 : x
  2. Step 2: Convert to fraction form
    276,660,946.98/381,968,188.68 = 172,392,200.10/x
  3. Step 3: Cross multiply
    276,660,946.98x = 381,968,188.68 × 172,392,200.10
  4. Step 4: Simplify right side
    276,660,946.98x = 65,848,336,414,757,112
  5. Step 5: Solve for x
    x = 65,848,336,414,757,112/276,660,946.98
  6. Step 6: Final answer
    x = 238,010,955.77

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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.