Home / 71,572,744.08-107,356,975.65-19,760,504.76

Finding the Fourth Proportional to 71,572,744.08, 107,356,975.65 and 19,760,504.76

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Solution

The fourth proportional to 71,572,744.08, 107,356,975.65 and 19,760,504.76 is: 29,640,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,572,744.08 : 107,356,975.65 = 19,760,504.76 : x
  2. Step 2: Convert to fraction form
    71,572,744.08/107,356,975.65 = 19,760,504.76/x
  3. Step 3: Cross multiply
    71,572,744.08x = 107,356,975.65 × 19,760,504.76
  4. Step 4: Simplify right side
    71,572,744.08x = 2,121,428,028,351,029.50
  5. Step 5: Solve for x
    x = 2,121,428,028,351,029.50/71,572,744.08
  6. Step 6: Final answer
    x = 29,640,166.18

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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.