Home / 289,491,243.94-399,501,002.44-157,332,250.02

Finding the Fourth Proportional to 289,491,243.94, 399,501,002.44 and 157,332,250.02

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Solution

The fourth proportional to 289,491,243.94, 399,501,002.44 and 157,332,250.02 is: 217,120,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,491,243.94 : 399,501,002.44 = 157,332,250.02 : x
  2. Step 2: Convert to fraction form
    289,491,243.94/399,501,002.44 = 157,332,250.02/x
  3. Step 3: Cross multiply
    289,491,243.94x = 399,501,002.44 × 157,332,250.02
  4. Step 4: Simplify right side
    289,491,243.94x = 62,854,391,600,825,512
  5. Step 5: Solve for x
    x = 62,854,391,600,825,512/289,491,243.94
  6. Step 6: Final answer
    x = 217,120,182.10

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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.