Finding the Fourth Proportional to 209,952,207.20, 314,928,310.80 and 107,726,578.40
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Solution
The fourth proportional to 209,952,207.20, 314,928,310.80 and 107,726,578.40 is: 161,589,867.60
Step by Step Solution
- Step 1: Write the proportion equation
209,952,207.20 : 314,928,310.80 = 107,726,578.40 : x - Step 2: Convert to fraction form
209,952,207.20/314,928,310.80 = 107,726,578.40/x - Step 3: Cross multiply
209,952,207.20x = 314,928,310.80 × 107,726,578.40 - Step 4: Simplify right side
209,952,207.20x = 33,926,149,363,775,768 - Step 5: Solve for x
x = 33,926,149,363,775,768/209,952,207.20 - Step 6: Final answer
x = 161,589,867.60
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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.