Finding the Fourth Proportional to 137,097,472.09, 205,638,965.38 and 44,969,074.68
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Solution
The fourth proportional to 137,097,472.09, 205,638,965.38 and 44,969,074.68 is: 67,451,236.34
Step by Step Solution
- Step 1: Write the proportion equation
137,097,472.09 : 205,638,965.38 = 44,969,074.68 : x - Step 2: Convert to fraction form
137,097,472.09/205,638,965.38 = 44,969,074.68/x - Step 3: Cross multiply
137,097,472.09x = 205,638,965.38 × 44,969,074.68 - Step 4: Simplify right side
137,097,472.09x = 9,247,393,991,291,154 - Step 5: Solve for x
x = 9,247,393,991,291,154/137,097,472.09 - Step 6: Final answer
x = 67,451,236.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.