Finding the Fourth Proportional to 168,530,817.82, 252,796,226.79 and 47,362,269.82
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Solution
The fourth proportional to 168,530,817.82, 252,796,226.79 and 47,362,269.82 is: 71,043,404.75
Step by Step Solution
- Step 1: Write the proportion equation
168,530,817.82 : 252,796,226.79 = 47,362,269.82 : x - Step 2: Convert to fraction form
168,530,817.82/252,796,226.79 = 47,362,269.82/x - Step 3: Cross multiply
168,530,817.82x = 252,796,226.79 × 47,362,269.82 - Step 4: Simplify right side
168,530,817.82x = 11,973,003,102,705,892 - Step 5: Solve for x
x = 11,973,003,102,705,892/168,530,817.82 - Step 6: Final answer
x = 71,043,404.75
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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.