Finding the Fourth Proportional to 192,728,489,309.42, 265,971,693,651.66 and 105,924,135,858.44
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Solution
The fourth proportional to 192,728,489,309.42, 265,971,693,651.66 and 105,924,135,858.44 is: 146,178,813,074.32
Step by Step Solution
- Step 1: Write the proportion equation
192,728,489,309.42 : 265,971,693,651.66 = 105,924,135,858.44 : x - Step 2: Convert to fraction form
192,728,489,309.42/265,971,693,651.66 = 105,924,135,858.44/x - Step 3: Cross multiply
192,728,489,309.42x = 265,971,693,651.66 × 105,924,135,858.44 - Step 4: Simplify right side
192,728,489,309.42x = 28,172,821,812,857,817,530,368 - Step 5: Solve for x
x = 28,172,821,812,857,817,530,368/192,728,489,309.42 - Step 6: Final answer
x = 146,178,813,074.32
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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.