Finding the Fourth Proportional to 272,953,436.88, 409,793,375.52 and 143,651,853.84
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Solution
The fourth proportional to 272,953,436.88, 409,793,375.52 and 143,651,853.84 is: 215,668,938.84
Step by Step Solution
- Step 1: Write the proportion equation
272,953,436.88 : 409,793,375.52 = 143,651,853.84 : x - Step 2: Convert to fraction form
272,953,436.88/409,793,375.52 = 143,651,853.84/x - Step 3: Cross multiply
272,953,436.88x = 409,793,375.52 × 143,651,853.84 - Step 4: Simplify right side
272,953,436.88x = 58,867,578,084,799,272 - Step 5: Solve for x
x = 58,867,578,084,799,272/272,953,436.88 - Step 6: Final answer
x = 215,668,938.84
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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.