Finding the Fourth Proportional to 52,809,245.94, 79,198,501.56 and 20,453,932.02
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Solution
The fourth proportional to 52,809,245.94, 79,198,501.56 and 20,453,932.02 is: 30,674,945.99
Step by Step Solution
- Step 1: Write the proportion equation
52,809,245.94 : 79,198,501.56 = 20,453,932.02 : x - Step 2: Convert to fraction form
52,809,245.94/79,198,501.56 = 20,453,932.02/x - Step 3: Cross multiply
52,809,245.94x = 79,198,501.56 × 20,453,932.02 - Step 4: Simplify right side
52,809,245.94x = 1,619,920,766,994,104 - Step 5: Solve for x
x = 1,619,920,766,994,104/52,809,245.94 - Step 6: Final answer
x = 30,674,945.99
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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.