Home / 133,162,018.58-199,723,983.96-45,721,899.74

Finding the Fourth Proportional to 133,162,018.58, 199,723,983.96 and 45,721,899.74

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Solution

The fourth proportional to 133,162,018.58, 199,723,983.96 and 45,721,899.74 is: 68,576,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,162,018.58 : 199,723,983.96 = 45,721,899.74 : x
  2. Step 2: Convert to fraction form
    133,162,018.58/199,723,983.96 = 45,721,899.74/x
  3. Step 3: Cross multiply
    133,162,018.58x = 199,723,983.96 × 45,721,899.74
  4. Step 4: Simplify right side
    133,162,018.58x = 9,131,759,970,292,488
  5. Step 5: Solve for x
    x = 9,131,759,970,292,488/133,162,018.58
  6. Step 6: Final answer
    x = 68,576,310.78

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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.