Finding the Fourth Proportional to 129,328,497.80, 194,067,396.30 and 48,557,630.60
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Solution
The fourth proportional to 129,328,497.80, 194,067,396.30 and 48,557,630.60 is: 72,864,473.81
Step by Step Solution
- Step 1: Write the proportion equation
129,328,497.80 : 194,067,396.30 = 48,557,630.60 : x - Step 2: Convert to fraction form
129,328,497.80/194,067,396.30 = 48,557,630.60/x - Step 3: Cross multiply
129,328,497.80x = 194,067,396.30 × 48,557,630.60 - Step 4: Simplify right side
129,328,497.80x = 9,423,452,941,039,208 - Step 5: Solve for x
x = 9,423,452,941,039,208/129,328,497.80 - Step 6: Final answer
x = 72,864,473.81
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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.