Home / 378,979,997.88-568,524,224.10-116,686,741.68

Finding the Fourth Proportional to 378,979,997.88, 568,524,224.10 and 116,686,741.68

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Solution

The fourth proportional to 378,979,997.88, 568,524,224.10 and 116,686,741.68 is: 175,046,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,979,997.88 : 568,524,224.10 = 116,686,741.68 : x
  2. Step 2: Convert to fraction form
    378,979,997.88/568,524,224.10 = 116,686,741.68/x
  3. Step 3: Cross multiply
    378,979,997.88x = 568,524,224.10 × 116,686,741.68
  4. Step 4: Simplify right side
    378,979,997.88x = 66,339,239,276,379,136
  5. Step 5: Solve for x
    x = 66,339,239,276,379,136/378,979,997.88
  6. Step 6: Final answer
    x = 175,046,808.93

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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.