Finding the Fourth Proportional to 45,512,229.75, 68,268,410.33 and 18,585,885.75
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Solution
The fourth proportional to 45,512,229.75, 68,268,410.33 and 18,585,885.75 is: 27,878,855.45
Step by Step Solution
- Step 1: Write the proportion equation
45,512,229.75 : 68,268,410.33 = 18,585,885.75 : x - Step 2: Convert to fraction form
45,512,229.75/68,268,410.33 = 18,585,885.75/x - Step 3: Cross multiply
45,512,229.75x = 68,268,410.33 × 18,585,885.75 - Step 4: Simplify right side
45,512,229.75x = 1,268,828,874,634,570.50 - Step 5: Solve for x
x = 1,268,828,874,634,570.50/45,512,229.75 - Step 6: Final answer
x = 27,878,855.45
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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.