Finding the Fourth Proportional to 68,307,394.96, 102,453,519.96 and 17,189,427.60
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Solution
The fourth proportional to 68,307,394.96, 102,453,519.96 and 17,189,427.60 is: 25,782,235.80
Step by Step Solution
- Step 1: Write the proportion equation
68,307,394.96 : 102,453,519.96 = 17,189,427.60 : x - Step 2: Convert to fraction form
68,307,394.96/102,453,519.96 = 17,189,427.60/x - Step 3: Cross multiply
68,307,394.96x = 102,453,519.96 × 17,189,427.60 - Step 4: Simplify right side
68,307,394.96x = 1,761,117,363,717,575 - Step 5: Solve for x
x = 1,761,117,363,717,575/68,307,394.96 - Step 6: Final answer
x = 25,782,235.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.