Finding the Fourth Proportional to 136,773,523.08, 205,198,639.74 and 54,949,858.92
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Solution
The fourth proportional to 136,773,523.08, 205,198,639.74 and 54,949,858.92 is: 82,440,197.86
Step by Step Solution
- Step 1: Write the proportion equation
136,773,523.08 : 205,198,639.74 = 54,949,858.92 : x - Step 2: Convert to fraction form
136,773,523.08/205,198,639.74 = 54,949,858.92/x - Step 3: Cross multiply
136,773,523.08x = 205,198,639.74 × 54,949,858.92 - Step 4: Simplify right side
136,773,523.08x = 11,275,636,304,288,906 - Step 5: Solve for x
x = 11,275,636,304,288,906/136,773,523.08 - Step 6: Final answer
x = 82,440,197.86
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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.