Finding the Fourth Proportional to 263,986,135.96, 364,283,896.94 and 146,511,545.78
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Solution
The fourth proportional to 263,986,135.96, 364,283,896.94 and 146,511,545.78 is: 202,176,514.50
Step by Step Solution
- Step 1: Write the proportion equation
263,986,135.96 : 364,283,896.94 = 146,511,545.78 : x - Step 2: Convert to fraction form
263,986,135.96/364,283,896.94 = 146,511,545.78/x - Step 3: Cross multiply
263,986,135.96x = 364,283,896.94 × 146,511,545.78 - Step 4: Simplify right side
263,986,135.96x = 53,371,796,843,441,608 - Step 5: Solve for x
x = 53,371,796,843,441,608/263,986,135.96 - Step 6: Final answer
x = 202,176,514.50
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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.