Finding the Fourth Proportional to 94,253,623.20, 141,380,434.80 and 48,903,991.20
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Solution
The fourth proportional to 94,253,623.20, 141,380,434.80 and 48,903,991.20 is: 73,355,986.80
Step by Step Solution
- Step 1: Write the proportion equation
94,253,623.20 : 141,380,434.80 = 48,903,991.20 : x - Step 2: Convert to fraction form
94,253,623.20/141,380,434.80 = 48,903,991.20/x - Step 3: Cross multiply
94,253,623.20x = 141,380,434.80 × 48,903,991.20 - Step 4: Simplify right side
94,253,623.20x = 6,914,067,539,311,375 - Step 5: Solve for x
x = 6,914,067,539,311,375/94,253,623.20 - Step 6: Final answer
x = 73,355,986.80
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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.