Finding the Fourth Proportional to 125,216,438.22, 187,633,105.29 and 66,932,407.08
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Solution
The fourth proportional to 125,216,438.22, 187,633,105.29 and 66,932,407.08 is: 100,296,219.60
Step by Step Solution
- Step 1: Write the proportion equation
125,216,438.22 : 187,633,105.29 = 66,932,407.08 : x - Step 2: Convert to fraction form
125,216,438.22/187,633,105.29 = 66,932,407.08/x - Step 3: Cross multiply
125,216,438.22x = 187,633,105.29 × 66,932,407.08 - Step 4: Simplify right side
125,216,438.22x = 12,558,735,384,954,780 - Step 5: Solve for x
x = 12,558,735,384,954,780/125,216,438.22 - Step 6: Final answer
x = 100,296,219.60
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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.