Finding the Fourth Proportional to 202,752,021.80, 304,128,032.70 and 182,226,146.60
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Solution
The fourth proportional to 202,752,021.80, 304,128,032.70 and 182,226,146.60 is: 273,339,219.90
Step by Step Solution
- Step 1: Write the proportion equation
202,752,021.80 : 304,128,032.70 = 182,226,146.60 : x - Step 2: Convert to fraction form
202,752,021.80/304,128,032.70 = 182,226,146.60/x - Step 3: Cross multiply
202,752,021.80x = 304,128,032.70 × 182,226,146.60 - Step 4: Simplify right side
202,752,021.80x = 55,420,079,471,959,792 - Step 5: Solve for x
x = 55,420,079,471,959,792/202,752,021.80 - Step 6: Final answer
x = 273,339,219.90
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1.5x scale
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.