Home / 65,195,448.30-89,950,098.42-39,080,437.56

Finding the Fourth Proportional to 65,195,448.30, 89,950,098.42 and 39,080,437.56

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Solution

The fourth proportional to 65,195,448.30, 89,950,098.42 and 39,080,437.56 is: 53,919,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,195,448.30 : 89,950,098.42 = 39,080,437.56 : x
  2. Step 2: Convert to fraction form
    65,195,448.30/89,950,098.42 = 39,080,437.56/x
  3. Step 3: Cross multiply
    65,195,448.30x = 89,950,098.42 × 39,080,437.56
  4. Step 4: Simplify right side
    65,195,448.30x = 3,515,289,204,818,665
  5. Step 5: Solve for x
    x = 3,515,289,204,818,665/65,195,448.30
  6. Step 6: Final answer
    x = 53,919,242.78

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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.