Finding the Fourth Proportional to 57,468,330.20, 86,244,485.70 and 40,462,218.20
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Solution
The fourth proportional to 57,468,330.20, 86,244,485.70 and 40,462,218.20 is: 60,722,891.84
Step by Step Solution
- Step 1: Write the proportion equation
57,468,330.20 : 86,244,485.70 = 40,462,218.20 : x - Step 2: Convert to fraction form
57,468,330.20/86,244,485.70 = 40,462,218.20/x - Step 3: Cross multiply
57,468,330.20x = 86,244,485.70 × 40,462,218.20 - Step 4: Simplify right side
57,468,330.20x = 3,489,643,198,940,180 - Step 5: Solve for x
x = 3,489,643,198,940,180/57,468,330.20 - Step 6: Final answer
x = 60,722,891.84
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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.