Finding the Fourth Proportional to 75,620,425.44, 104,356,612.24 and 43,025,377.44
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Solution
The fourth proportional to 75,620,425.44, 104,356,612.24 and 43,025,377.44 is: 59,375,262.75
Step by Step Solution
- Step 1: Write the proportion equation
75,620,425.44 : 104,356,612.24 = 43,025,377.44 : x - Step 2: Convert to fraction form
75,620,425.44/104,356,612.24 = 43,025,377.44/x - Step 3: Cross multiply
75,620,425.44x = 104,356,612.24 × 43,025,377.44 - Step 4: Simplify right side
75,620,425.44x = 4,489,982,629,985,723.50 - Step 5: Solve for x
x = 4,489,982,629,985,723.50/75,620,425.44 - Step 6: Final answer
x = 59,375,262.75
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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.