Home / 231,696,433.29-319,650,965.21-131,201,801.33

Finding the Fourth Proportional to 231,696,433.29, 319,650,965.21 and 131,201,801.33

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Solution

The fourth proportional to 231,696,433.29, 319,650,965.21 and 131,201,801.33 is: 181,007,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,696,433.29 : 319,650,965.21 = 131,201,801.33 : x
  2. Step 2: Convert to fraction form
    231,696,433.29/319,650,965.21 = 131,201,801.33/x
  3. Step 3: Cross multiply
    231,696,433.29x = 319,650,965.21 × 131,201,801.33
  4. Step 4: Simplify right side
    231,696,433.29x = 41,938,782,431,154,912
  5. Step 5: Solve for x
    x = 41,938,782,431,154,912/231,696,433.29
  6. Step 6: Final answer
    x = 181,007,458.06

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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.