Home / 38,696,192.57-53,399,144.70-21,055,167.72

Finding the Fourth Proportional to 38,696,192.57, 53,399,144.70 and 21,055,167.72

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Solution

The fourth proportional to 38,696,192.57, 53,399,144.70 and 21,055,167.72 is: 29,055,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696,192.57 : 53,399,144.70 = 21,055,167.72 : x
  2. Step 2: Convert to fraction form
    38,696,192.57/53,399,144.70 = 21,055,167.72/x
  3. Step 3: Cross multiply
    38,696,192.57x = 53,399,144.70 × 21,055,167.72
  4. Step 4: Simplify right side
    38,696,192.57x = 1,124,327,947,763,049.12
  5. Step 5: Solve for x
    x = 1,124,327,947,763,049.12/38,696,192.57
  6. Step 6: Final answer
    x = 29,055,260.30

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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.