Finding the Fourth Proportional to 137,183,414.99, 189,308,043.39 and 74,458,166.22
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Solution
The fourth proportional to 137,183,414.99, 189,308,043.39 and 74,458,166.22 is: 102,749,517.96
Step by Step Solution
- Step 1: Write the proportion equation
137,183,414.99 : 189,308,043.39 = 74,458,166.22 : x - Step 2: Convert to fraction form
137,183,414.99/189,308,043.39 = 74,458,166.22/x - Step 3: Cross multiply
137,183,414.99x = 189,308,043.39 × 74,458,166.22 - Step 4: Simplify right side
137,183,414.99x = 14,095,529,761,515,590 - Step 5: Solve for x
x = 14,095,529,761,515,590/137,183,414.99 - Step 6: Final answer
x = 102,749,517.96
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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.