Finding the Fourth Proportional to 129,898,786.26, 194,912,198.35 and 60,816,267.66
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Solution
The fourth proportional to 129,898,786.26, 194,912,198.35 and 60,816,267.66 is: 91,254,374.01
Step by Step Solution
- Step 1: Write the proportion equation
129,898,786.26 : 194,912,198.35 = 60,816,267.66 : x - Step 2: Convert to fraction form
129,898,786.26/194,912,198.35 = 60,816,267.66/x - Step 3: Cross multiply
129,898,786.26x = 194,912,198.35 × 60,816,267.66 - Step 4: Simplify right side
129,898,786.26x = 11,853,832,424,900,568 - Step 5: Solve for x
x = 11,853,832,424,900,568/129,898,786.26 - Step 6: Final answer
x = 91,254,374.01
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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.