Finding the Fourth Proportional to 85,546,213.92, 128,268,074.16 and 27,228,700.08
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Solution
The fourth proportional to 85,546,213.92, 128,268,074.16 and 27,228,700.08 is: 40,826,738.68
Step by Step Solution
- Step 1: Write the proportion equation
85,546,213.92 : 128,268,074.16 = 27,228,700.08 : x - Step 2: Convert to fraction form
85,546,213.92/128,268,074.16 = 27,228,700.08/x - Step 3: Cross multiply
85,546,213.92x = 128,268,074.16 × 27,228,700.08 - Step 4: Simplify right side
85,546,213.92x = 3,492,572,921,141,837.50 - Step 5: Solve for x
x = 3,492,572,921,141,837.50/85,546,213.92 - Step 6: Final answer
x = 40,826,738.68
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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.