Home / 192,728,489,305.42-265,971,693,646.15-105,924,135,854.44

Finding the Fourth Proportional to 192,728,489,305.42, 265,971,693,646.15 and 105,924,135,854.44

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Solution

The fourth proportional to 192,728,489,305.42, 265,971,693,646.15 and 105,924,135,854.44 is: 146,178,813,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,728,489,305.42 : 265,971,693,646.15 = 105,924,135,854.44 : x
  2. Step 2: Convert to fraction form
    192,728,489,305.42/265,971,693,646.15 = 105,924,135,854.44/x
  3. Step 3: Cross multiply
    192,728,489,305.42x = 265,971,693,646.15 × 105,924,135,854.44
  4. Step 4: Simplify right side
    192,728,489,305.42x = 28,172,821,811,210,290,724,864
  5. Step 5: Solve for x
    x = 28,172,821,811,210,290,724,864/192,728,489,305.42
  6. Step 6: Final answer
    x = 146,178,813,068.81

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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.