Finding the Fourth Proportional to 116,030,199.93, 160,163,325.61 and 68,987,161.18
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Solution
The fourth proportional to 116,030,199.93, 160,163,325.61 and 68,987,161.18 is: 95,227,045.75
Step by Step Solution
- Step 1: Write the proportion equation
116,030,199.93 : 160,163,325.61 = 68,987,161.18 : x - Step 2: Convert to fraction form
116,030,199.93/160,163,325.61 = 68,987,161.18/x - Step 3: Cross multiply
116,030,199.93x = 160,163,325.61 × 68,987,161.18 - Step 4: Simplify right side
116,030,199.93x = 11,049,213,157,836,138 - Step 5: Solve for x
x = 11,049,213,157,836,138/116,030,199.93 - Step 6: Final answer
x = 95,227,045.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.