Home / 218,789,696.88-302,022,748.44-136,324,225.44

Finding the Fourth Proportional to 218,789,696.88, 302,022,748.44 and 136,324,225.44

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Solution

The fourth proportional to 218,789,696.88, 302,022,748.44 and 136,324,225.44 is: 188,185,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,789,696.88 : 302,022,748.44 = 136,324,225.44 : x
  2. Step 2: Convert to fraction form
    218,789,696.88/302,022,748.44 = 136,324,225.44/x
  3. Step 3: Cross multiply
    218,789,696.88x = 302,022,748.44 × 136,324,225.44
  4. Step 4: Simplify right side
    218,789,696.88x = 41,173,017,246,342,968
  5. Step 5: Solve for x
    x = 41,173,017,246,342,968/218,789,696.88
  6. Step 6: Final answer
    x = 188,185,357.14

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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.