Finding the Fourth Proportional to 173,872,167.80, 260,808,251.70 and 113,405,991.80
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Solution
The fourth proportional to 173,872,167.80, 260,808,251.70 and 113,405,991.80 is: 170,108,987.70
Step by Step Solution
- Step 1: Write the proportion equation
173,872,167.80 : 260,808,251.70 = 113,405,991.80 : x - Step 2: Convert to fraction form
173,872,167.80/260,808,251.70 = 113,405,991.80/x - Step 3: Cross multiply
173,872,167.80x = 260,808,251.70 × 113,405,991.80 - Step 4: Simplify right side
173,872,167.80x = 29,577,218,453,662,532 - Step 5: Solve for x
x = 29,577,218,453,662,532/173,872,167.80 - Step 6: Final answer
x = 170,108,987.70
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1.5x scale
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.