Home / 378,814,451.34-568,247,337.81-133,141,218.06

Finding the Fourth Proportional to 378,814,451.34, 568,247,337.81 and 133,141,218.06

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Solution

The fourth proportional to 378,814,451.34, 568,247,337.81 and 133,141,218.06 is: 199,720,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,814,451.34 : 568,247,337.81 = 133,141,218.06 : x
  2. Step 2: Convert to fraction form
    378,814,451.34/568,247,337.81 = 133,141,218.06/x
  3. Step 3: Cross multiply
    378,814,451.34x = 568,247,337.81 × 133,141,218.06
  4. Step 4: Simplify right side
    378,814,451.34x = 75,657,142,715,375,680
  5. Step 5: Solve for x
    x = 75,657,142,715,375,680/378,814,451.34
  6. Step 6: Final answer
    x = 199,720,846.04

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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.