Finding the Fourth Proportional to 207,451,403.20, 311,177,104.80 and 195,547,124.80
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Solution
The fourth proportional to 207,451,403.20, 311,177,104.80 and 195,547,124.80 is: 293,320,687.20
Step by Step Solution
- Step 1: Write the proportion equation
207,451,403.20 : 311,177,104.80 = 195,547,124.80 : x - Step 2: Convert to fraction form
207,451,403.20/311,177,104.80 = 195,547,124.80/x - Step 3: Cross multiply
207,451,403.20x = 311,177,104.80 × 195,547,124.80 - Step 4: Simplify right side
207,451,403.20x = 60,849,788,147,228,288 - Step 5: Solve for x
x = 60,849,788,147,228,288/207,451,403.20 - Step 6: Final answer
x = 293,320,687.20
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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.