Finding the Fourth Proportional to 81,382,110.20, 122,048,816.68 and 26,784,617.48
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Solution
The fourth proportional to 81,382,110.20, 122,048,816.68 and 26,784,617.48 is: 40,168,912.56
Step by Step Solution
- Step 1: Write the proportion equation
81,382,110.20 : 122,048,816.68 = 26,784,617.48 : x - Step 2: Convert to fraction form
81,382,110.20/122,048,816.68 = 26,784,617.48/x - Step 3: Cross multiply
81,382,110.20x = 122,048,816.68 × 26,784,617.48 - Step 4: Simplify right side
81,382,110.20x = 3,269,030,868,660,444 - Step 5: Solve for x
x = 3,269,030,868,660,444/81,382,110.20 - Step 6: Final answer
x = 40,168,912.56
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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.