Finding the Fourth Proportional to 129,328,674.30, 194,067,661.05 and 48,557,807.10
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Solution
The fourth proportional to 129,328,674.30, 194,067,661.05 and 48,557,807.10 is: 72,864,738.63
Step by Step Solution
- Step 1: Write the proportion equation
129,328,674.30 : 194,067,661.05 = 48,557,807.10 : x - Step 2: Convert to fraction form
129,328,674.30/194,067,661.05 = 48,557,807.10/x - Step 3: Cross multiply
129,328,674.30x = 194,067,661.05 × 48,557,807.10 - Step 4: Simplify right side
129,328,674.30x = 9,423,500,049,614,084 - Step 5: Solve for x
x = 9,423,500,049,614,084/129,328,674.30 - Step 6: Final answer
x = 72,864,738.63
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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.