Finding the Fourth Proportional to 173,586,331.20, 260,379,496.80 and 135,276,571.20
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Solution
The fourth proportional to 173,586,331.20, 260,379,496.80 and 135,276,571.20 is: 202,914,856.80
Step by Step Solution
- Step 1: Write the proportion equation
173,586,331.20 : 260,379,496.80 = 135,276,571.20 : x - Step 2: Convert to fraction form
173,586,331.20/260,379,496.80 = 135,276,571.20/x - Step 3: Cross multiply
173,586,331.20x = 260,379,496.80 × 135,276,571.20 - Step 4: Simplify right side
173,586,331.20x = 35,223,245,537,885,372 - Step 5: Solve for x
x = 35,223,245,537,885,372/173,586,331.20 - Step 6: Final answer
x = 202,914,856.80
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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.