Home / 171,393,721.07-257,057,105.13-54,777,795.62

Finding the Fourth Proportional to 171,393,721.07, 257,057,105.13 and 54,777,795.62

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Solution

The fourth proportional to 171,393,721.07, 257,057,105.13 and 54,777,795.62 is: 82,155,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,393,721.07 : 257,057,105.13 = 54,777,795.62 : x
  2. Step 2: Convert to fraction form
    171,393,721.07/257,057,105.13 = 54,777,795.62/x
  3. Step 3: Cross multiply
    171,393,721.07x = 257,057,105.13 × 54,777,795.62
  4. Step 4: Simplify right side
    171,393,721.07x = 14,081,021,566,194,708
  5. Step 5: Solve for x
    x = 14,081,021,566,194,708/171,393,721.07
  6. Step 6: Final answer
    x = 82,155,994.27

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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.