Finding the Fourth Proportional to 55,014,791.96, 75,920,158.58 and 31,493,198.99
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Solution
The fourth proportional to 55,014,791.96, 75,920,158.58 and 31,493,198.99 is: 43,460,469.02
Step by Step Solution
- Step 1: Write the proportion equation
55,014,791.96 : 75,920,158.58 = 31,493,198.99 : x - Step 2: Convert to fraction form
55,014,791.96/75,920,158.58 = 31,493,198.99/x - Step 3: Cross multiply
55,014,791.96x = 75,920,158.58 × 31,493,198.99 - Step 4: Simplify right side
55,014,791.96x = 2,390,968,661,544,630.50 - Step 5: Solve for x
x = 2,390,968,661,544,630.50/55,014,791.96 - Step 6: Final answer
x = 43,460,469.02
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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.