Finding the Fourth Proportional to 128,566,701.75, 192,901,149.05 and 41,141,687.79
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Solution
The fourth proportional to 128,566,701.75, 192,901,149.05 and 41,141,687.79 is: 61,728,882.68
Step by Step Solution
- Step 1: Write the proportion equation
128,566,701.75 : 192,901,149.05 = 41,141,687.79 : x - Step 2: Convert to fraction form
128,566,701.75/192,901,149.05 = 41,141,687.79/x - Step 3: Cross multiply
128,566,701.75x = 192,901,149.05 × 41,141,687.79 - Step 4: Simplify right side
128,566,701.75x = 7,936,278,848,341,646 - Step 5: Solve for x
x = 7,936,278,848,341,646/128,566,701.75 - Step 6: Final answer
x = 61,728,882.68
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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.