Home / 165,401,680.80-248,102,521.20-68,325,124.80

Finding the Fourth Proportional to 165,401,680.80, 248,102,521.20 and 68,325,124.80

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Solution

The fourth proportional to 165,401,680.80, 248,102,521.20 and 68,325,124.80 is: 102,487,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,401,680.80 : 248,102,521.20 = 68,325,124.80 : x
  2. Step 2: Convert to fraction form
    165,401,680.80/248,102,521.20 = 68,325,124.80/x
  3. Step 3: Cross multiply
    165,401,680.80x = 248,102,521.20 × 68,325,124.80
  4. Step 4: Simplify right side
    165,401,680.80x = 16,951,635,724,184,644
  5. Step 5: Solve for x
    x = 16,951,635,724,184,644/165,401,680.80
  6. Step 6: Final answer
    x = 102,487,687.20

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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.