Finding the Fourth Proportional to 128,202,481.35, 192,303,722.03 and 37,329,034.95
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Solution
The fourth proportional to 128,202,481.35, 192,303,722.03 and 37,329,034.95 is: 55,993,552.43
Step by Step Solution
- Step 1: Write the proportion equation
128,202,481.35 : 192,303,722.03 = 37,329,034.95 : x - Step 2: Convert to fraction form
128,202,481.35/192,303,722.03 = 37,329,034.95/x - Step 3: Cross multiply
128,202,481.35x = 192,303,722.03 × 37,329,034.95 - Step 4: Simplify right side
128,202,481.35x = 7,178,512,360,486,311 - Step 5: Solve for x
x = 7,178,512,360,486,311/128,202,481.35 - Step 6: Final answer
x = 55,993,552.43
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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.