Home / 289,633,365.59-399,707,709.09-164,187,992.82

Finding the Fourth Proportional to 289,633,365.59, 399,707,709.09 and 164,187,992.82

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Solution

The fourth proportional to 289,633,365.59, 399,707,709.09 and 164,187,992.82 is: 226,587,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,633,365.59 : 399,707,709.09 = 164,187,992.82 : x
  2. Step 2: Convert to fraction form
    289,633,365.59/399,707,709.09 = 164,187,992.82/x
  3. Step 3: Cross multiply
    289,633,365.59x = 399,707,709.09 × 164,187,992.82
  4. Step 4: Simplify right side
    289,633,365.59x = 65,627,206,470,167,560
  5. Step 5: Solve for x
    x = 65,627,206,470,167,560/289,633,365.59
  6. Step 6: Final answer
    x = 226,587,176.30

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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.