Finding the Fourth Proportional to 76,257,228.26, 105,235,722.96 and 41,449,897.23
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Solution
The fourth proportional to 76,257,228.26, 105,235,722.96 and 41,449,897.23 is: 57,201,264.73
Step by Step Solution
- Step 1: Write the proportion equation
76,257,228.26 : 105,235,722.96 = 41,449,897.23 : x - Step 2: Convert to fraction form
76,257,228.26/105,235,722.96 = 41,449,897.23/x - Step 3: Cross multiply
76,257,228.26x = 105,235,722.96 × 41,449,897.23 - Step 4: Simplify right side
76,257,228.26x = 4,362,009,901,066,470 - Step 5: Solve for x
x = 4,362,009,901,066,470/76,257,228.26 - Step 6: Final answer
x = 57,201,264.73
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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.