Finding the Fourth Proportional to 204,933,538.73, 307,401,208.55 and 64,874,684.21
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Solution
The fourth proportional to 204,933,538.73, 307,401,208.55 and 64,874,684.21 is: 97,312,311.36
Step by Step Solution
- Step 1: Write the proportion equation
204,933,538.73 : 307,401,208.55 = 64,874,684.21 : x - Step 2: Convert to fraction form
204,933,538.73/307,401,208.55 = 64,874,684.21/x - Step 3: Cross multiply
204,933,538.73x = 307,401,208.55 × 64,874,684.21 - Step 4: Simplify right side
204,933,538.73x = 19,942,556,328,592,224 - Step 5: Solve for x
x = 19,942,556,328,592,224/204,933,538.73 - Step 6: Final answer
x = 97,312,311.36
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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.