Finding the Fourth Proportional to 45,799,108.36, 68,732,719.16 and 18,505,638.44
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Solution
The fourth proportional to 45,799,108.36, 68,732,719.16 and 18,505,638.44 is: 27,772,218.62
Step by Step Solution
- Step 1: Write the proportion equation
45,799,108.36 : 68,732,719.16 = 18,505,638.44 : x - Step 2: Convert to fraction form
45,799,108.36/68,732,719.16 = 18,505,638.44/x - Step 3: Cross multiply
45,799,108.36x = 68,732,719.16 × 18,505,638.44 - Step 4: Simplify right side
45,799,108.36x = 1,271,942,849,773,020.50 - Step 5: Solve for x
x = 1,271,942,849,773,020.50/45,799,108.36 - Step 6: Final answer
x = 27,772,218.62
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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.