Finding the Fourth Proportional to 269,511,486.67, 371,926,972.40 and 145,752,163.80
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Solution
The fourth proportional to 269,511,486.67, 371,926,972.40 and 145,752,163.80 is: 201,138,592.17
Step by Step Solution
- Step 1: Write the proportion equation
269,511,486.67 : 371,926,972.40 = 145,752,163.80 : x - Step 2: Convert to fraction form
269,511,486.67/371,926,972.40 = 145,752,163.80/x - Step 3: Cross multiply
269,511,486.67x = 371,926,972.40 × 145,752,163.80 - Step 4: Simplify right side
269,511,486.67x = 54,209,161,002,882,880 - Step 5: Solve for x
x = 54,209,161,002,882,880/269,511,486.67 - Step 6: Final answer
x = 201,138,592.17
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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.