Home / 272,728,451.28-376,253,843.40-201,372,343.86

Finding the Fourth Proportional to 272,728,451.28, 376,253,843.40 and 201,372,343.86

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Solution

The fourth proportional to 272,728,451.28, 376,253,843.40 and 201,372,343.86 is: 277,811,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,728,451.28 : 376,253,843.40 = 201,372,343.86 : x
  2. Step 2: Convert to fraction form
    272,728,451.28/376,253,843.40 = 201,372,343.86/x
  3. Step 3: Cross multiply
    272,728,451.28x = 376,253,843.40 × 201,372,343.86
  4. Step 4: Simplify right side
    272,728,451.28x = 75,767,118,331,791,392
  5. Step 5: Solve for x
    x = 75,767,118,331,791,392/272,728,451.28
  6. Step 6: Final answer
    x = 277,811,566.69

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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.