Finding the Fourth Proportional to 57,876,607.37, 79,867,651.75 and 32,758,177.70
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Solution
The fourth proportional to 57,876,607.37, 79,867,651.75 and 32,758,177.70 is: 45,205,115.63
Step by Step Solution
- Step 1: Write the proportion equation
57,876,607.37 : 79,867,651.75 = 32,758,177.70 : x - Step 2: Convert to fraction form
57,876,607.37/79,867,651.75 = 32,758,177.70/x - Step 3: Cross multiply
57,876,607.37x = 79,867,651.75 × 32,758,177.70 - Step 4: Simplify right side
57,876,607.37x = 2,616,318,728,625,990 - Step 5: Solve for x
x = 2,616,318,728,625,990/57,876,607.37 - Step 6: Final answer
x = 45,205,115.63
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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.