Home / 186,644,561.40-279,476,954.10-131,760,775.80

Finding the Fourth Proportional to 186,644,561.40, 279,476,954.10 and 131,760,775.80

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Solution

The fourth proportional to 186,644,561.40, 279,476,954.10 and 131,760,775.80 is: 197,295,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,644,561.40 : 279,476,954.10 = 131,760,775.80 : x
  2. Step 2: Convert to fraction form
    186,644,561.40/279,476,954.10 = 131,760,775.80/x
  3. Step 3: Cross multiply
    186,644,561.40x = 279,476,954.10 × 131,760,775.80
  4. Step 4: Simplify right side
    186,644,561.40x = 36,824,100,290,436,992
  5. Step 5: Solve for x
    x = 36,824,100,290,436,992/186,644,561.40
  6. Step 6: Final answer
    x = 197,295,329.77

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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.