Home / 217,061,375,308.18-299,336,814,460.66-143,701,479,340.18

Finding the Fourth Proportional to 217,061,375,308.18, 299,336,814,460.66 and 143,701,479,340.18

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Solution

The fourth proportional to 217,061,375,308.18, 299,336,814,460.66 and 143,701,479,340.18 is: 198,170,416,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,061,375,308.18 : 299,336,814,460.66 = 143,701,479,340.18 : x
  2. Step 2: Convert to fraction form
    217,061,375,308.18/299,336,814,460.66 = 143,701,479,340.18/x
  3. Step 3: Cross multiply
    217,061,375,308.18x = 299,336,814,460.66 × 143,701,479,340.18
  4. Step 4: Simplify right side
    217,061,375,308.18x = 43,015,143,058,973,824,909,312
  5. Step 5: Solve for x
    x = 43,015,143,058,973,824,909,312/217,061,375,308.18
  6. Step 6: Final answer
    x = 198,170,416,076.57

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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.