Finding the Fourth Proportional to 129,330,361.77, 193,993,715.48 and 60,204,502.31
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Solution
The fourth proportional to 129,330,361.77, 193,993,715.48 and 60,204,502.31 is: 90,305,902.89
Step by Step Solution
- Step 1: Write the proportion equation
129,330,361.77 : 193,993,715.48 = 60,204,502.31 : x - Step 2: Convert to fraction form
129,330,361.77/193,993,715.48 = 60,204,502.31/x - Step 3: Cross multiply
129,330,361.77x = 193,993,715.48 × 60,204,502.31 - Step 4: Simplify right side
129,330,361.77x = 11,679,295,090,470,152 - Step 5: Solve for x
x = 11,679,295,090,470,152/129,330,361.77 - Step 6: Final answer
x = 90,305,902.89
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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.