Home / 238,022,748.38-356,871,128.19-121,211,991.98

Finding the Fourth Proportional to 238,022,748.38, 356,871,128.19 and 121,211,991.98

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Solution

The fourth proportional to 238,022,748.38, 356,871,128.19 and 121,211,991.98 is: 181,734,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,022,748.38 : 356,871,128.19 = 121,211,991.98 : x
  2. Step 2: Convert to fraction form
    238,022,748.38/356,871,128.19 = 121,211,991.98/x
  3. Step 3: Cross multiply
    238,022,748.38x = 356,871,128.19 × 121,211,991.98
  4. Step 4: Simplify right side
    238,022,748.38x = 43,257,060,326,275,472
  5. Step 5: Solve for x
    x = 43,257,060,326,275,472/238,022,748.38
  6. Step 6: Final answer
    x = 181,734,983.83

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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.