Finding the Fourth Proportional to 45,935,715.08, 68,903,572.62 and 13,585,099.97
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Solution
The fourth proportional to 45,935,715.08, 68,903,572.62 and 13,585,099.97 is: 20,377,649.95
Step by Step Solution
- Step 1: Write the proportion equation
45,935,715.08 : 68,903,572.62 = 13,585,099.97 : x - Step 2: Convert to fraction form
45,935,715.08/68,903,572.62 = 13,585,099.97/x - Step 3: Cross multiply
45,935,715.08x = 68,903,572.62 × 13,585,099.97 - Step 4: Simplify right side
45,935,715.08x = 936,061,921,988,337 - Step 5: Solve for x
x = 936,061,921,988,337/45,935,715.08 - Step 6: Final answer
x = 20,377,649.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.