Finding the Fourth Proportional to 276,042,723.22, 380,937,149.81 and 156,965,324.13
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Solution
The fourth proportional to 276,042,723.22, 380,937,149.81 and 156,965,324.13 is: 216,611,119.09
Step by Step Solution
- Step 1: Write the proportion equation
276,042,723.22 : 380,937,149.81 = 156,965,324.13 : x - Step 2: Convert to fraction form
276,042,723.22/380,937,149.81 = 156,965,324.13/x - Step 3: Cross multiply
276,042,723.22x = 380,937,149.81 × 156,965,324.13 - Step 4: Simplify right side
276,042,723.22x = 59,793,923,193,085,016 - Step 5: Solve for x
x = 59,793,923,193,085,016/276,042,723.22 - Step 6: Final answer
x = 216,611,119.09
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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.