Finding the Fourth Proportional to 75,972,236.70, 104,841,779.28 and 41,164,899.68
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Solution
The fourth proportional to 75,972,236.70, 104,841,779.28 and 41,164,899.68 is: 56,807,611.75
Step by Step Solution
- Step 1: Write the proportion equation
75,972,236.70 : 104,841,779.28 = 41,164,899.68 : x - Step 2: Convert to fraction form
75,972,236.70/104,841,779.28 = 41,164,899.68/x - Step 3: Cross multiply
75,972,236.70x = 104,841,779.28 × 41,164,899.68 - Step 4: Simplify right side
75,972,236.70x = 4,315,801,326,333,902.50 - Step 5: Solve for x
x = 4,315,801,326,333,902.50/75,972,236.70 - Step 6: Final answer
x = 56,807,611.75
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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.