Home / 276,905,319.84-415,236,803.76-131,380,382.88

Finding the Fourth Proportional to 276,905,319.84, 415,236,803.76 and 131,380,382.88

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Solution

The fourth proportional to 276,905,319.84, 415,236,803.76 and 131,380,382.88 is: 197,013,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,319.84 : 415,236,803.76 = 131,380,382.88 : x
  2. Step 2: Convert to fraction form
    276,905,319.84/415,236,803.76 = 131,380,382.88/x
  3. Step 3: Cross multiply
    276,905,319.84x = 415,236,803.76 × 131,380,382.88
  4. Step 4: Simplify right side
    276,905,319.84x = 54,553,970,263,856,224
  5. Step 5: Solve for x
    x = 54,553,970,263,856,224/276,905,319.84
  6. Step 6: Final answer
    x = 197,013,081.21

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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.