Finding the Fourth Proportional to 135,149,074.68, 186,659,687.52 and 91,613,427.96
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Solution
The fourth proportional to 135,149,074.68, 186,659,687.52 and 91,613,427.96 is: 126,530,898.39
Step by Step Solution
- Step 1: Write the proportion equation
135,149,074.68 : 186,659,687.52 = 91,613,427.96 : x - Step 2: Convert to fraction form
135,149,074.68/186,659,687.52 = 91,613,427.96/x - Step 3: Cross multiply
135,149,074.68x = 186,659,687.52 × 91,613,427.96 - Step 4: Simplify right side
135,149,074.68x = 17,100,533,835,649,630 - Step 5: Solve for x
x = 17,100,533,835,649,630/135,149,074.68 - Step 6: Final answer
x = 126,530,898.39
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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.