Home / 347,631,616.80-521,517,409.20-101,987,776.80

Finding the Fourth Proportional to 347,631,616.80, 521,517,409.20 and 101,987,776.80

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Solution

The fourth proportional to 347,631,616.80, 521,517,409.20 and 101,987,776.80 is: 153,002,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,631,616.80 : 521,517,409.20 = 101,987,776.80 : x
  2. Step 2: Convert to fraction form
    347,631,616.80/521,517,409.20 = 101,987,776.80/x
  3. Step 3: Cross multiply
    347,631,616.80x = 521,517,409.20 × 101,987,776.80
  4. Step 4: Simplify right side
    347,631,616.80x = 53,188,401,126,803,864
  5. Step 5: Solve for x
    x = 53,188,401,126,803,864/347,631,616.80
  6. Step 6: Final answer
    x = 153,002,197.03

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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.