Home / 217,061,375,305.68-299,336,814,457.20-143,701,479,337.68

Finding the Fourth Proportional to 217,061,375,305.68, 299,336,814,457.20 and 143,701,479,337.68

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Solution

The fourth proportional to 217,061,375,305.68, 299,336,814,457.20 and 143,701,479,337.68 is: 198,170,416,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,061,375,305.68 : 299,336,814,457.20 = 143,701,479,337.68 : x
  2. Step 2: Convert to fraction form
    217,061,375,305.68/299,336,814,457.20 = 143,701,479,337.68/x
  3. Step 3: Cross multiply
    217,061,375,305.68x = 299,336,814,457.20 × 143,701,479,337.68
  4. Step 4: Simplify right side
    217,061,375,305.68x = 43,015,143,057,728,276,004,864
  5. Step 5: Solve for x
    x = 43,015,143,057,728,276,004,864/217,061,375,305.68
  6. Step 6: Final answer
    x = 198,170,416,073.11

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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.