Home / 217,061,375,302.68-299,336,814,453.06-143,701,479,334.68

Finding the Fourth Proportional to 217,061,375,302.68, 299,336,814,453.06 and 143,701,479,334.68

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Solution

The fourth proportional to 217,061,375,302.68, 299,336,814,453.06 and 143,701,479,334.68 is: 198,170,416,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,061,375,302.68 : 299,336,814,453.06 = 143,701,479,334.68 : x
  2. Step 2: Convert to fraction form
    217,061,375,302.68/299,336,814,453.06 = 143,701,479,334.68/x
  3. Step 3: Cross multiply
    217,061,375,302.68x = 299,336,814,453.06 × 143,701,479,334.68
  4. Step 4: Simplify right side
    217,061,375,302.68x = 43,015,143,056,235,338,661,888
  5. Step 5: Solve for x
    x = 43,015,143,056,235,338,661,888/217,061,375,302.68
  6. Step 6: Final answer
    x = 198,170,416,068.97

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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.