Home / 218,789,700.38-302,022,753.27-136,324,228.94

Finding the Fourth Proportional to 218,789,700.38, 302,022,753.27 and 136,324,228.94

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Solution

The fourth proportional to 218,789,700.38, 302,022,753.27 and 136,324,228.94 is: 188,185,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,789,700.38 : 302,022,753.27 = 136,324,228.94 : x
  2. Step 2: Convert to fraction form
    218,789,700.38/302,022,753.27 = 136,324,228.94/x
  3. Step 3: Cross multiply
    218,789,700.38x = 302,022,753.27 × 136,324,228.94
  4. Step 4: Simplify right side
    218,789,700.38x = 41,173,018,961,868,608
  5. Step 5: Solve for x
    x = 41,173,018,961,868,608/218,789,700.38
  6. Step 6: Final answer
    x = 188,185,361.97

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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.