Finding the Fourth Proportional to 168,412,433.09, 232,409,517.84 and 95,073,575.09
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Solution
The fourth proportional to 168,412,433.09, 232,409,517.84 and 95,073,575.09 is: 131,201,736.95
Step by Step Solution
- Step 1: Write the proportion equation
168,412,433.09 : 232,409,517.84 = 95,073,575.09 : x - Step 2: Convert to fraction form
168,412,433.09/232,409,517.84 = 95,073,575.09/x - Step 3: Cross multiply
168,412,433.09x = 232,409,517.84 × 95,073,575.09 - Step 4: Simplify right side
168,412,433.09x = 22,096,003,744,829,884 - Step 5: Solve for x
x = 22,096,003,744,829,884/168,412,433.09 - Step 6: Final answer
x = 131,201,736.95
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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.