Finding the Fourth Proportional to 193,629,711.12, 267,208,997.16 and 106,709,583.12
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Solution
The fourth proportional to 193,629,711.12, 267,208,997.16 and 106,709,583.12 is: 147,259,222.40
Step by Step Solution
- Step 1: Write the proportion equation
193,629,711.12 : 267,208,997.16 = 106,709,583.12 : x - Step 2: Convert to fraction form
193,629,711.12/267,208,997.16 = 106,709,583.12/x - Step 3: Cross multiply
193,629,711.12x = 267,208,997.16 × 106,709,583.12 - Step 4: Simplify right side
193,629,711.12x = 28,513,760,692,856,864 - Step 5: Solve for x
x = 28,513,760,692,856,864/193,629,711.12 - Step 6: Final answer
x = 147,259,222.40
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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.