Finding the Fourth Proportional to 129,328,575.30, 194,067,512.55 and 48,557,708.10
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Solution
The fourth proportional to 129,328,575.30, 194,067,512.55 and 48,557,708.10 is: 72,864,590.09
Step by Step Solution
- Step 1: Write the proportion equation
129,328,575.30 : 194,067,512.55 = 48,557,708.10 : x - Step 2: Convert to fraction form
129,328,575.30/194,067,512.55 = 48,557,708.10/x - Step 3: Cross multiply
129,328,575.30x = 194,067,512.55 × 48,557,708.10 - Step 4: Simplify right side
129,328,575.30x = 9,423,473,626,095,988 - Step 5: Solve for x
x = 9,423,473,626,095,988/129,328,575.30 - Step 6: Final answer
x = 72,864,590.09
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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.