Home / 238,022,747.88-356,871,127.44-121,211,991.48

Finding the Fourth Proportional to 238,022,747.88, 356,871,127.44 and 121,211,991.48

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Solution

The fourth proportional to 238,022,747.88, 356,871,127.44 and 121,211,991.48 is: 181,734,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,022,747.88 : 356,871,127.44 = 121,211,991.48 : x
  2. Step 2: Convert to fraction form
    238,022,747.88/356,871,127.44 = 121,211,991.48/x
  3. Step 3: Cross multiply
    238,022,747.88x = 356,871,127.44 × 121,211,991.48
  4. Step 4: Simplify right side
    238,022,747.88x = 43,257,060,058,715,272
  5. Step 5: Solve for x
    x = 43,257,060,058,715,272/238,022,747.88
  6. Step 6: Final answer
    x = 181,734,983.08

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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.