Home / 143,950,910.06-198,651,657.52-77,871,245.42

Finding the Fourth Proportional to 143,950,910.06, 198,651,657.52 and 77,871,245.42

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Solution

The fourth proportional to 143,950,910.06, 198,651,657.52 and 77,871,245.42 is: 107,461,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,950,910.06 : 198,651,657.52 = 77,871,245.42 : x
  2. Step 2: Convert to fraction form
    143,950,910.06/198,651,657.52 = 77,871,245.42/x
  3. Step 3: Cross multiply
    143,950,910.06x = 198,651,657.52 × 77,871,245.42
  4. Step 4: Simplify right side
    143,950,910.06x = 15,469,251,976,131,660
  5. Step 5: Solve for x
    x = 15,469,251,976,131,660/143,950,910.06
  6. Step 6: Final answer
    x = 107,461,995.00

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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.