Finding the Fourth Proportional to 94,528,832.80, 141,793,249.20 and 80,923,943.20
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Solution
The fourth proportional to 94,528,832.80, 141,793,249.20 and 80,923,943.20 is: 121,385,914.80
Step by Step Solution
- Step 1: Write the proportion equation
94,528,832.80 : 141,793,249.20 = 80,923,943.20 : x - Step 2: Convert to fraction form
94,528,832.80/141,793,249.20 = 80,923,943.20/x - Step 3: Cross multiply
94,528,832.80x = 141,793,249.20 × 80,923,943.20 - Step 4: Simplify right side
94,528,832.80x = 11,474,468,844,404,244 - Step 5: Solve for x
x = 11,474,468,844,404,244/94,528,832.80 - Step 6: Final answer
x = 121,385,914.80
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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.