Finding the Fourth Proportional to 206,896,245.80, 310,344,368.70 and 169,907,952.20
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Solution
The fourth proportional to 206,896,245.80, 310,344,368.70 and 169,907,952.20 is: 254,861,928.30
Step by Step Solution
- Step 1: Write the proportion equation
206,896,245.80 : 310,344,368.70 = 169,907,952.20 : x - Step 2: Convert to fraction form
206,896,245.80/310,344,368.70 = 169,907,952.20/x - Step 3: Cross multiply
206,896,245.80x = 310,344,368.70 × 169,907,952.20 - Step 4: Simplify right side
206,896,245.80x = 52,729,976,162,618,768 - Step 5: Solve for x
x = 52,729,976,162,618,768/206,896,245.80 - Step 6: Final answer
x = 254,861,928.30
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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.