Finding the Fourth Proportional to 114,642,755.36, 158,205,439.68 and 65,082,717.44
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Solution
The fourth proportional to 114,642,755.36, 158,205,439.68 and 65,082,717.44 is: 89,813,262.91
Step by Step Solution
- Step 1: Write the proportion equation
114,642,755.36 : 158,205,439.68 = 65,082,717.44 : x - Step 2: Convert to fraction form
114,642,755.36/158,205,439.68 = 65,082,717.44/x - Step 3: Cross multiply
114,642,755.36x = 158,205,439.68 × 65,082,717.44 - Step 4: Simplify right side
114,642,755.36x = 10,296,439,928,164,404 - Step 5: Solve for x
x = 10,296,439,928,164,404/114,642,755.36 - Step 6: Final answer
x = 89,813,262.91
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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.