Finding the Fourth Proportional to 213,050,398.63, 294,212,604.28 and 201,443,560.43
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Solution
The fourth proportional to 213,050,398.63, 294,212,604.28 and 201,443,560.43 is: 278,184,105.31
Step by Step Solution
- Step 1: Write the proportion equation
213,050,398.63 : 294,212,604.28 = 201,443,560.43 : x - Step 2: Convert to fraction form
213,050,398.63/294,212,604.28 = 201,443,560.43/x - Step 3: Cross multiply
213,050,398.63x = 294,212,604.28 × 201,443,560.43 - Step 4: Simplify right side
213,050,398.63x = 59,267,234,529,545,856 - Step 5: Solve for x
x = 59,267,234,529,545,856/213,050,398.63 - Step 6: Final answer
x = 278,184,105.31
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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.