Finding the Fourth Proportional to 129,486,810.70, 194,230,216.05 and 88,672,141.90
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Solution
The fourth proportional to 129,486,810.70, 194,230,216.05 and 88,672,141.90 is: 133,008,212.85
Step by Step Solution
- Step 1: Write the proportion equation
129,486,810.70 : 194,230,216.05 = 88,672,141.90 : x - Step 2: Convert to fraction form
129,486,810.70/194,230,216.05 = 88,672,141.90/x - Step 3: Cross multiply
129,486,810.70x = 194,230,216.05 × 88,672,141.90 - Step 4: Simplify right side
129,486,810.70x = 17,222,809,278,853,260 - Step 5: Solve for x
x = 17,222,809,278,853,260/129,486,810.70 - Step 6: Final answer
x = 133,008,212.85
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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.