Home / 172,105,956.63-258,209,399.97-55,518,976.80

Finding the Fourth Proportional to 172,105,956.63, 258,209,399.97 and 55,518,976.80

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Solution

The fourth proportional to 172,105,956.63, 258,209,399.97 and 55,518,976.80 is: 83,294,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,105,956.63 : 258,209,399.97 = 55,518,976.80 : x
  2. Step 2: Convert to fraction form
    172,105,956.63/258,209,399.97 = 55,518,976.80/x
  3. Step 3: Cross multiply
    172,105,956.63x = 258,209,399.97 × 55,518,976.80
  4. Step 4: Simplify right side
    172,105,956.63x = 14,335,521,686,476,350
  5. Step 5: Solve for x
    x = 14,335,521,686,476,350/172,105,956.63
  6. Step 6: Final answer
    x = 83,294,744.51

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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.