Finding the Fourth Proportional to 45,799,109.36, 68,732,720.66 and 18,505,639.44
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Solution
The fourth proportional to 45,799,109.36, 68,732,720.66 and 18,505,639.44 is: 27,772,220.12
Step by Step Solution
- Step 1: Write the proportion equation
45,799,109.36 : 68,732,720.66 = 18,505,639.44 : x - Step 2: Convert to fraction form
45,799,109.36/68,732,720.66 = 18,505,639.44/x - Step 3: Cross multiply
45,799,109.36x = 68,732,720.66 × 18,505,639.44 - Step 4: Simplify right side
45,799,109.36x = 1,271,942,946,264,198.75 - Step 5: Solve for x
x = 1,271,942,946,264,198.75/45,799,109.36 - Step 6: Final answer
x = 27,772,220.12
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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.