Finding the Fourth Proportional to 110,658,163.20, 165,987,244.80 and 107,469,517.20
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Solution
The fourth proportional to 110,658,163.20, 165,987,244.80 and 107,469,517.20 is: 161,204,275.80
Step by Step Solution
- Step 1: Write the proportion equation
110,658,163.20 : 165,987,244.80 = 107,469,517.20 : x - Step 2: Convert to fraction form
110,658,163.20/165,987,244.80 = 107,469,517.20/x - Step 3: Cross multiply
110,658,163.20x = 165,987,244.80 × 107,469,517.20 - Step 4: Simplify right side
110,658,163.20x = 17,838,569,060,014,212 - Step 5: Solve for x
x = 17,838,569,060,014,212/110,658,163.20 - Step 6: Final answer
x = 161,204,275.80
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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.