Finding the Fourth Proportional to 283,608,107.40, 425,412,161.10 and 242,793,438.60
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Solution
The fourth proportional to 283,608,107.40, 425,412,161.10 and 242,793,438.60 is: 364,190,157.90
Step by Step Solution
- Step 1: Write the proportion equation
283,608,107.40 : 425,412,161.10 = 242,793,438.60 : x - Step 2: Convert to fraction form
283,608,107.40/425,412,161.10 = 242,793,438.60/x - Step 3: Cross multiply
283,608,107.40x = 425,412,161.10 × 242,793,438.60 - Step 4: Simplify right side
283,608,107.40x = 103,287,281,415,726,160 - Step 5: Solve for x
x = 103,287,281,415,726,160/283,608,107.40 - Step 6: Final answer
x = 364,190,157.90
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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.