Home / 275,168,520.30-412,752,780.45-111,405,960.30

Finding the Fourth Proportional to 275,168,520.30, 412,752,780.45 and 111,405,960.30

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Solution

The fourth proportional to 275,168,520.30, 412,752,780.45 and 111,405,960.30 is: 167,108,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,168,520.30 : 412,752,780.45 = 111,405,960.30 : x
  2. Step 2: Convert to fraction form
    275,168,520.30/412,752,780.45 = 111,405,960.30/x
  3. Step 3: Cross multiply
    275,168,520.30x = 412,752,780.45 × 111,405,960.30
  4. Step 4: Simplify right side
    275,168,520.30x = 45,983,119,872,527,312
  5. Step 5: Solve for x
    x = 45,983,119,872,527,312/275,168,520.30
  6. Step 6: Final answer
    x = 167,108,940.45

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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.