Finding the Fourth Proportional to 166,085,529.36, 229,193,588.16 and 91,744,489.96
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Solution
The fourth proportional to 166,085,529.36, 229,193,588.16 and 91,744,489.96 is: 126,604,942.22
Step by Step Solution
- Step 1: Write the proportion equation
166,085,529.36 : 229,193,588.16 = 91,744,489.96 : x - Step 2: Convert to fraction form
166,085,529.36/229,193,588.16 = 91,744,489.96/x - Step 3: Cross multiply
166,085,529.36x = 229,193,588.16 × 91,744,489.96 - Step 4: Simplify right side
166,085,529.36x = 21,027,248,847,841,492 - Step 5: Solve for x
x = 21,027,248,847,841,492/166,085,529.36 - Step 6: Final answer
x = 126,604,942.22
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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.