Finding the Fourth Proportional to 81,843,225.60, 122,410,544.40 and 73,269,310.80
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Solution
The fourth proportional to 81,843,225.60, 122,410,544.40 and 73,269,310.80 is: 109,586,788.12
Step by Step Solution
- Step 1: Write the proportion equation
81,843,225.60 : 122,410,544.40 = 73,269,310.80 : x - Step 2: Convert to fraction form
81,843,225.60/122,410,544.40 = 73,269,310.80/x - Step 3: Cross multiply
81,843,225.60x = 122,410,544.40 × 73,269,310.80 - Step 4: Simplify right side
81,843,225.60x = 8,968,936,222,840,800 - Step 5: Solve for x
x = 8,968,936,222,840,800/81,843,225.60 - Step 6: Final answer
x = 109,586,788.12
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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.