Finding the Fourth Proportional to 236,475,043.20, 326,489,113.26 and 211,652,243.28
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Solution
The fourth proportional to 236,475,043.20, 326,489,113.26 and 211,652,243.28 is: 292,217,530.83
Step by Step Solution
- Step 1: Write the proportion equation
236,475,043.20 : 326,489,113.26 = 211,652,243.28 : x - Step 2: Convert to fraction form
236,475,043.20/326,489,113.26 = 211,652,243.28/x - Step 3: Cross multiply
236,475,043.20x = 326,489,113.26 × 211,652,243.28 - Step 4: Simplify right side
236,475,043.20x = 69,102,153,227,976,992 - Step 5: Solve for x
x = 69,102,153,227,976,992/236,475,043.20 - Step 6: Final answer
x = 292,217,530.83
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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.