Finding the Fourth Proportional to 75,859,812.63, 113,743,640.68 and 29,746,437.30
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Solution
The fourth proportional to 75,859,812.63, 113,743,640.68 and 29,746,437.30 is: 44,601,587.57
Step by Step Solution
- Step 1: Write the proportion equation
75,859,812.63 : 113,743,640.68 = 29,746,437.30 : x - Step 2: Convert to fraction form
75,859,812.63/113,743,640.68 = 29,746,437.30/x - Step 3: Cross multiply
75,859,812.63x = 113,743,640.68 × 29,746,437.30 - Step 4: Simplify right side
75,859,812.63x = 3,383,468,075,686,983 - Step 5: Solve for x
x = 3,383,468,075,686,983/75,859,812.63 - Step 6: Final answer
x = 44,601,587.57
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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.