Finding the Fourth Proportional to 54,548,762.40, 81,936,517.68 and 43,268,041.44
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Solution
The fourth proportional to 54,548,762.40, 81,936,517.68 and 43,268,041.44 is: 64,991,990.40
Step by Step Solution
- Step 1: Write the proportion equation
54,548,762.40 : 81,936,517.68 = 43,268,041.44 : x - Step 2: Convert to fraction form
54,548,762.40/81,936,517.68 = 43,268,041.44/x - Step 3: Cross multiply
54,548,762.40x = 81,936,517.68 × 43,268,041.44 - Step 4: Simplify right side
54,548,762.40x = 3,545,232,642,427,533 - Step 5: Solve for x
x = 3,545,232,642,427,533/54,548,762.40 - Step 6: Final answer
x = 64,991,990.40
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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.