Home / 79,411,589.96-119,090,605.37-30,215,764.49

Finding the Fourth Proportional to 79,411,589.96, 119,090,605.37 and 30,215,764.49

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Solution

The fourth proportional to 79,411,589.96, 119,090,605.37 and 30,215,764.49 is: 45,313,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,411,589.96 : 119,090,605.37 = 30,215,764.49 : x
  2. Step 2: Convert to fraction form
    79,411,589.96/119,090,605.37 = 30,215,764.49/x
  3. Step 3: Cross multiply
    79,411,589.96x = 119,090,605.37 × 30,215,764.49
  4. Step 4: Simplify right side
    79,411,589.96x = 3,598,413,684,084,917
  5. Step 5: Solve for x
    x = 3,598,413,684,084,917/79,411,589.96
  6. Step 6: Final answer
    x = 45,313,457.22

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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.