Home / 108,008,996.74-161,995,237.09-30,268,021.91

Finding the Fourth Proportional to 108,008,996.74, 161,995,237.09 and 30,268,021.91

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Solution

The fourth proportional to 108,008,996.74, 161,995,237.09 and 30,268,021.91 is: 45,396,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,008,996.74 : 161,995,237.09 = 30,268,021.91 : x
  2. Step 2: Convert to fraction form
    108,008,996.74/161,995,237.09 = 30,268,021.91/x
  3. Step 3: Cross multiply
    108,008,996.74x = 161,995,237.09 × 30,268,021.91
  4. Step 4: Simplify right side
    108,008,996.74x = 4,903,275,384,670,119
  5. Step 5: Solve for x
    x = 4,903,275,384,670,119/108,008,996.74
  6. Step 6: Final answer
    x = 45,396,916.30

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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.