Finding the Fourth Proportional to 76,455,207.05, 114,622,186.93 and 40,056,616.13
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Solution
The fourth proportional to 76,455,207.05, 114,622,186.93 and 40,056,616.13 is: 60,053,162.09
Step by Step Solution
- Step 1: Write the proportion equation
76,455,207.05 : 114,622,186.93 = 40,056,616.13 : x - Step 2: Convert to fraction form
76,455,207.05/114,622,186.93 = 40,056,616.13/x - Step 3: Cross multiply
76,455,207.05x = 114,622,186.93 × 40,056,616.13 - Step 4: Simplify right side
76,455,207.05x = 4,591,376,941,162,860 - Step 5: Solve for x
x = 4,591,376,941,162,860/76,455,207.05 - Step 6: Final answer
x = 60,053,162.09
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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.