Finding the Fourth Proportional to 95,795,381.09, 143,168,231.36 and 69,942,189.80
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Solution
The fourth proportional to 95,795,381.09, 143,168,231.36 and 69,942,189.80 is: 104,530,087.96
Step by Step Solution
- Step 1: Write the proportion equation
95,795,381.09 : 143,168,231.36 = 69,942,189.80 : x - Step 2: Convert to fraction form
95,795,381.09/143,168,231.36 = 69,942,189.80/x - Step 3: Cross multiply
95,795,381.09x = 143,168,231.36 × 69,942,189.80 - Step 4: Simplify right side
95,795,381.09x = 10,013,499,611,644,208 - Step 5: Solve for x
x = 10,013,499,611,644,208/95,795,381.09 - Step 6: Final answer
x = 104,530,087.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.