Finding the Fourth Proportional to 196,993,349.30, 295,490,023.96 and 115,364,011.70
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Solution
The fourth proportional to 196,993,349.30, 295,490,023.96 and 115,364,011.70 is: 173,046,017.56
Step by Step Solution
- Step 1: Write the proportion equation
196,993,349.30 : 295,490,023.96 = 115,364,011.70 : x - Step 2: Convert to fraction form
196,993,349.30/295,490,023.96 = 115,364,011.70/x - Step 3: Cross multiply
196,993,349.30x = 295,490,023.96 × 115,364,011.70 - Step 4: Simplify right side
196,993,349.30x = 34,088,914,581,354,720 - Step 5: Solve for x
x = 34,088,914,581,354,720/196,993,349.30 - Step 6: Final answer
x = 173,046,017.56
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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.