Home / 172,282,256.62-258,392,701.32-68,642,776.06

Finding the Fourth Proportional to 172,282,256.62, 258,392,701.32 and 68,642,776.06

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Solution

The fourth proportional to 172,282,256.62, 258,392,701.32 and 68,642,776.06 is: 102,951,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,282,256.62 : 258,392,701.32 = 68,642,776.06 : x
  2. Step 2: Convert to fraction form
    172,282,256.62/258,392,701.32 = 68,642,776.06/x
  3. Step 3: Cross multiply
    172,282,256.62x = 258,392,701.32 × 68,642,776.06
  4. Step 4: Simplify right side
    172,282,256.62x = 17,736,792,332,247,226
  5. Step 5: Solve for x
    x = 17,736,792,332,247,226/172,282,256.62
  6. Step 6: Final answer
    x = 102,951,938.76

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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.