Finding the Fourth Proportional to 55,252,912.80, 82,719,936.90 and 48,875,620.80
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Solution
The fourth proportional to 55,252,912.80, 82,719,936.90 and 48,875,620.80 is: 73,172,400.58
Step by Step Solution
- Step 1: Write the proportion equation
55,252,912.80 : 82,719,936.90 = 48,875,620.80 : x - Step 2: Convert to fraction form
55,252,912.80/82,719,936.90 = 48,875,620.80/x - Step 3: Cross multiply
55,252,912.80x = 82,719,936.90 × 48,875,620.80 - Step 4: Simplify right side
55,252,912.80x = 4,042,988,268,524,327.50 - Step 5: Solve for x
x = 4,042,988,268,524,327.50/55,252,912.80 - Step 6: Final answer
x = 73,172,400.58
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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.