Finding the Fourth Proportional to 252,132,910.40, 378,199,365.60 and 201,114,574.40
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Solution
The fourth proportional to 252,132,910.40, 378,199,365.60 and 201,114,574.40 is: 301,671,861.60
Step by Step Solution
- Step 1: Write the proportion equation
252,132,910.40 : 378,199,365.60 = 201,114,574.40 : x - Step 2: Convert to fraction form
252,132,910.40/378,199,365.60 = 201,114,574.40/x - Step 3: Cross multiply
252,132,910.40x = 378,199,365.60 × 201,114,574.40 - Step 4: Simplify right side
252,132,910.40x = 76,061,404,450,994,000 - Step 5: Solve for x
x = 76,061,404,450,994,000/252,132,910.40 - Step 6: Final answer
x = 301,671,861.60
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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.