Finding the Fourth Proportional to 68,198,530.20, 102,285,471.46 and 19,664,451.24
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Solution
The fourth proportional to 68,198,530.20, 102,285,471.46 and 19,664,451.24 is: 29,493,123.39
Step by Step Solution
- Step 1: Write the proportion equation
68,198,530.20 : 102,285,471.46 = 19,664,451.24 : x - Step 2: Convert to fraction form
68,198,530.20/102,285,471.46 = 19,664,451.24/x - Step 3: Cross multiply
68,198,530.20x = 102,285,471.46 × 19,664,451.24 - Step 4: Simplify right side
68,198,530.20x = 2,011,387,666,085,581.25 - Step 5: Solve for x
x = 2,011,387,666,085,581.25/68,198,530.20 - Step 6: Final answer
x = 29,493,123.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.