Finding the Fourth Proportional to 235,534,611.30, 325,068,272.73 and 135,102,231.78
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Solution
The fourth proportional to 235,534,611.30, 325,068,272.73 and 135,102,231.78 is: 186,458,579.84
Step by Step Solution
- Step 1: Write the proportion equation
235,534,611.30 : 325,068,272.73 = 135,102,231.78 : x - Step 2: Convert to fraction form
235,534,611.30/325,068,272.73 = 135,102,231.78/x - Step 3: Cross multiply
235,534,611.30x = 325,068,272.73 × 135,102,231.78 - Step 4: Simplify right side
235,534,611.30x = 43,917,449,126,692,720 - Step 5: Solve for x
x = 43,917,449,126,692,720/235,534,611.30 - Step 6: Final answer
x = 186,458,579.84
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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.