Home / 289,633,365.96-399,707,709.62-164,187,993.20

Finding the Fourth Proportional to 289,633,365.96, 399,707,709.62 and 164,187,993.20

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Solution

The fourth proportional to 289,633,365.96, 399,707,709.62 and 164,187,993.20 is: 226,587,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,633,365.96 : 399,707,709.62 = 164,187,993.20 : x
  2. Step 2: Convert to fraction form
    289,633,365.96/399,707,709.62 = 164,187,993.20/x
  3. Step 3: Cross multiply
    289,633,365.96x = 399,707,709.62 × 164,187,993.20
  4. Step 4: Simplify right side
    289,633,365.96x = 65,627,206,706,256,656
  5. Step 5: Solve for x
    x = 65,627,206,706,256,656/289,633,365.96
  6. Step 6: Final answer
    x = 226,587,176.82

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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.