Finding the Fourth Proportional to 146,844,707.63, 202,651,478.51 and 80,771,353.88
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Solution
The fourth proportional to 146,844,707.63, 202,651,478.51 and 80,771,353.88 is: 111,467,648.70
Step by Step Solution
- Step 1: Write the proportion equation
146,844,707.63 : 202,651,478.51 = 80,771,353.88 : x - Step 2: Convert to fraction form
146,844,707.63/202,651,478.51 = 80,771,353.88/x - Step 3: Cross multiply
146,844,707.63x = 202,651,478.51 × 80,771,353.88 - Step 4: Simplify right side
146,844,707.63x = 16,368,434,283,619,310 - Step 5: Solve for x
x = 16,368,434,283,619,310/146,844,707.63 - Step 6: Final answer
x = 111,467,648.70
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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.