Home / 307,658,109.69-424,568,138.61-166,529,302.13

Finding the Fourth Proportional to 307,658,109.69, 424,568,138.61 and 166,529,302.13

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Solution

The fourth proportional to 307,658,109.69, 424,568,138.61 and 166,529,302.13 is: 229,810,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,658,109.69 : 424,568,138.61 = 166,529,302.13 : x
  2. Step 2: Convert to fraction form
    307,658,109.69/424,568,138.61 = 166,529,302.13/x
  3. Step 3: Cross multiply
    307,658,109.69x = 424,568,138.61 × 166,529,302.13
  4. Step 4: Simplify right side
    307,658,109.69x = 70,703,035,827,233,568
  5. Step 5: Solve for x
    x = 70,703,035,827,233,568/307,658,109.69
  6. Step 6: Final answer
    x = 229,810,408.37

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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.