Finding the Fourth Proportional to 136,816,022.27, 188,806,212.53 and 74,092,607.12
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Solution
The fourth proportional to 136,816,022.27, 188,806,212.53 and 74,092,607.12 is: 102,247,852.95
Step by Step Solution
- Step 1: Write the proportion equation
136,816,022.27 : 188,806,212.53 = 74,092,607.12 : x - Step 2: Convert to fraction form
136,816,022.27/188,806,212.53 = 74,092,607.12/x - Step 3: Cross multiply
136,816,022.27x = 188,806,212.53 × 74,092,607.12 - Step 4: Simplify right side
136,816,022.27x = 13,989,144,527,179,912 - Step 5: Solve for x
x = 13,989,144,527,179,912/136,816,022.27 - Step 6: Final answer
x = 102,247,852.95
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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.