Finding the Fourth Proportional to 128,202,489.10, 192,303,733.65 and 37,329,042.70
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Solution
The fourth proportional to 128,202,489.10, 192,303,733.65 and 37,329,042.70 is: 55,993,564.05
Step by Step Solution
- Step 1: Write the proportion equation
128,202,489.10 : 192,303,733.65 = 37,329,042.70 : x - Step 2: Convert to fraction form
128,202,489.10/192,303,733.65 = 37,329,042.70/x - Step 3: Cross multiply
128,202,489.10x = 192,303,733.65 × 37,329,042.70 - Step 4: Simplify right side
128,202,489.10x = 7,178,514,284,790,278 - Step 5: Solve for x
x = 7,178,514,284,790,278/128,202,489.10 - Step 6: Final answer
x = 55,993,564.05
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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.