Finding the Fourth Proportional to 91,136,913.02, 125,770,121.26 and 49,882,919.66
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Solution
The fourth proportional to 91,136,913.02, 125,770,121.26 and 49,882,919.66 is: 68,839,075.70
Step by Step Solution
- Step 1: Write the proportion equation
91,136,913.02 : 125,770,121.26 = 49,882,919.66 : x - Step 2: Convert to fraction form
91,136,913.02/125,770,121.26 = 49,882,919.66/x - Step 3: Cross multiply
91,136,913.02x = 125,770,121.26 × 49,882,919.66 - Step 4: Simplify right side
91,136,913.02x = 6,273,780,854,441,038 - Step 5: Solve for x
x = 6,273,780,854,441,038/91,136,913.02 - Step 6: Final answer
x = 68,839,075.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.