Finding the Fourth Proportional to 191,534,563.53, 264,318,504.84 and 107,903,697.57
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Solution
The fourth proportional to 191,534,563.53, 264,318,504.84 and 107,903,697.57 is: 148,907,557.38
Step by Step Solution
- Step 1: Write the proportion equation
191,534,563.53 : 264,318,504.84 = 107,903,697.57 : x - Step 2: Convert to fraction form
191,534,563.53/264,318,504.84 = 107,903,697.57/x - Step 3: Cross multiply
191,534,563.53x = 264,318,504.84 × 107,903,697.57 - Step 4: Simplify right side
191,534,563.53x = 28,520,944,008,409,940 - Step 5: Solve for x
x = 28,520,944,008,409,940/191,534,563.53 - Step 6: Final answer
x = 148,907,557.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.