Finding the Fourth Proportional to 66,738,492.15, 92,099,855.81 and 36,969,596.18
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Solution
The fourth proportional to 66,738,492.15, 92,099,855.81 and 36,969,596.18 is: 51,018,450.79
Step by Step Solution
- Step 1: Write the proportion equation
66,738,492.15 : 92,099,855.81 = 36,969,596.18 : x - Step 2: Convert to fraction form
66,738,492.15/92,099,855.81 = 36,969,596.18/x - Step 3: Cross multiply
66,738,492.15x = 92,099,855.81 × 36,969,596.18 - Step 4: Simplify right side
66,738,492.15x = 3,404,894,477,531,927 - Step 5: Solve for x
x = 3,404,894,477,531,927/66,738,492.15 - Step 6: Final answer
x = 51,018,450.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.