Finding the Fourth Proportional to 73,647,751.68, 101,677,442.20 and 65,476,376
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Solution
The fourth proportional to 73,647,751.68, 101,677,442.20 and 65,476,376 is: 90,396,112.36
Step by Step Solution
- Step 1: Write the proportion equation
73,647,751.68 : 101,677,442.20 = 65,476,376 : x - Step 2: Convert to fraction form
73,647,751.68/101,677,442.20 = 65,476,376/x - Step 3: Cross multiply
73,647,751.68x = 101,677,442.20 × 65,476,376 - Step 4: Simplify right side
73,647,751.68x = 6,657,470,436,205,467 - Step 5: Solve for x
x = 6,657,470,436,205,467/73,647,751.68 - Step 6: Final answer
x = 90,396,112.36
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1.5x scale
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.