Finding the Fourth Proportional to 117,008,622.98, 175,512,934.47 and 56,542,446.98
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Solution
The fourth proportional to 117,008,622.98, 175,512,934.47 and 56,542,446.98 is: 84,813,670.47
Step by Step Solution
- Step 1: Write the proportion equation
117,008,622.98 : 175,512,934.47 = 56,542,446.98 : x - Step 2: Convert to fraction form
117,008,622.98/175,512,934.47 = 56,542,446.98/x - Step 3: Cross multiply
117,008,622.98x = 175,512,934.47 × 56,542,446.98 - Step 4: Simplify right side
117,008,622.98x = 9,923,930,790,696,624 - Step 5: Solve for x
x = 9,923,930,790,696,624/117,008,622.98 - Step 6: Final answer
x = 84,813,670.47
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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.