Home / 143,950,910.99-198,651,658.82-77,871,246.36

Finding the Fourth Proportional to 143,950,910.99, 198,651,658.82 and 77,871,246.36

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Solution

The fourth proportional to 143,950,910.99, 198,651,658.82 and 77,871,246.36 is: 107,461,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,950,910.99 : 198,651,658.82 = 77,871,246.36 : x
  2. Step 2: Convert to fraction form
    143,950,910.99/198,651,658.82 = 77,871,246.36/x
  3. Step 3: Cross multiply
    143,950,910.99x = 198,651,658.82 × 77,871,246.36
  4. Step 4: Simplify right side
    143,950,910.99x = 15,469,252,263,778,002
  5. Step 5: Solve for x
    x = 15,469,252,263,778,002/143,950,910.99
  6. Step 6: Final answer
    x = 107,461,996.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.