Home / 672,192,040.80-1,008,288,061.20-161,588,776.80

Finding the Fourth Proportional to 672,192,040.80, 1,008,288,061.20 and 161,588,776.80

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Solution

The fourth proportional to 672,192,040.80, 1,008,288,061.20 and 161,588,776.80 is: 242,383,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,192,040.80 : 1,008,288,061.20 = 161,588,776.80 : x
  2. Step 2: Convert to fraction form
    672,192,040.80/1,008,288,061.20 = 161,588,776.80/x
  3. Step 3: Cross multiply
    672,192,040.80x = 1,008,288,061.20 × 161,588,776.80
  4. Step 4: Simplify right side
    672,192,040.80x = 162,928,034,471,351,552
  5. Step 5: Solve for x
    x = 162,928,034,471,351,552/672,192,040.80
  6. Step 6: Final answer
    x = 242,383,165.20

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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.