Home / 192,728,489,315.30-265,971,693,659.82-105,924,135,864.33

Finding the Fourth Proportional to 192,728,489,315.30, 265,971,693,659.82 and 105,924,135,864.33

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Solution

The fourth proportional to 192,728,489,315.30, 265,971,693,659.82 and 105,924,135,864.33 is: 146,178,813,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,728,489,315.30 : 265,971,693,659.82 = 105,924,135,864.33 : x
  2. Step 2: Convert to fraction form
    192,728,489,315.30/265,971,693,659.82 = 105,924,135,864.33/x
  3. Step 3: Cross multiply
    192,728,489,315.30x = 265,971,693,659.82 × 105,924,135,864.33
  4. Step 4: Simplify right side
    192,728,489,315.30x = 28,172,821,815,288,731,271,168
  5. Step 5: Solve for x
    x = 28,172,821,815,288,731,271,168/192,728,489,315.30
  6. Step 6: Final answer
    x = 146,178,813,082.47

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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.