Home / 218,789,703.88-302,022,758.10-136,324,232.44

Finding the Fourth Proportional to 218,789,703.88, 302,022,758.10 and 136,324,232.44

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Solution

The fourth proportional to 218,789,703.88, 302,022,758.10 and 136,324,232.44 is: 188,185,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,789,703.88 : 302,022,758.10 = 136,324,232.44 : x
  2. Step 2: Convert to fraction form
    218,789,703.88/302,022,758.10 = 136,324,232.44/x
  3. Step 3: Cross multiply
    218,789,703.88x = 302,022,758.10 × 136,324,232.44
  4. Step 4: Simplify right side
    218,789,703.88x = 41,173,020,677,394,296
  5. Step 5: Solve for x
    x = 41,173,020,677,394,296/218,789,703.88
  6. Step 6: Final answer
    x = 188,185,366.80

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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.