Finding the Fourth Proportional to 231,304,193.37, 319,196,808.90 and 132,183,805.68
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Solution
The fourth proportional to 231,304,193.37, 319,196,808.90 and 132,183,805.68 is: 182,411,950.02
Step by Step Solution
- Step 1: Write the proportion equation
231,304,193.37 : 319,196,808.90 = 132,183,805.68 : x - Step 2: Convert to fraction form
231,304,193.37/319,196,808.90 = 132,183,805.68/x - Step 3: Cross multiply
231,304,193.37x = 319,196,808.90 × 132,183,805.68 - Step 4: Simplify right side
231,304,193.37x = 42,192,648,961,313,696 - Step 5: Solve for x
x = 42,192,648,961,313,696/231,304,193.37 - Step 6: Final answer
x = 182,411,950.02
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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.