Finding the Fourth Proportional to 67,439,861.19, 93,067,784.66 and 39,563,045.62
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Solution
The fourth proportional to 67,439,861.19, 93,067,784.66 and 39,563,045.62 is: 54,597,458.32
Step by Step Solution
- Step 1: Write the proportion equation
67,439,861.19 : 93,067,784.66 = 39,563,045.62 : x - Step 2: Convert to fraction form
67,439,861.19/93,067,784.66 = 39,563,045.62/x - Step 3: Cross multiply
67,439,861.19x = 93,067,784.66 × 39,563,045.62 - Step 4: Simplify right side
67,439,861.19x = 3,682,045,010,609,849 - Step 5: Solve for x
x = 3,682,045,010,609,849/67,439,861.19 - Step 6: Final answer
x = 54,597,458.32
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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.