Finding the Fourth Proportional to 173,198,368.06, 259,882,910.66 and 81,088,343.26
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Solution
The fourth proportional to 173,198,368.06, 259,882,910.66 and 81,088,343.26 is: 121,672,478.23
Step by Step Solution
- Step 1: Write the proportion equation
173,198,368.06 : 259,882,910.66 = 81,088,343.26 : x - Step 2: Convert to fraction form
173,198,368.06/259,882,910.66 = 81,088,343.26/x - Step 3: Cross multiply
173,198,368.06x = 259,882,910.66 × 81,088,343.26 - Step 4: Simplify right side
173,198,368.06x = 21,073,474,666,559,004 - Step 5: Solve for x
x = 21,073,474,666,559,004/173,198,368.06 - Step 6: Final answer
x = 121,672,478.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.