Finding the Fourth Proportional to 206,530,604.23, 309,682,454.49 and 141,850,682.95
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Solution
The fourth proportional to 206,530,604.23, 309,682,454.49 and 141,850,682.95 is: 212,698,102.69
Step by Step Solution
- Step 1: Write the proportion equation
206,530,604.23 : 309,682,454.49 = 141,850,682.95 : x - Step 2: Convert to fraction form
206,530,604.23/309,682,454.49 = 141,850,682.95/x - Step 3: Cross multiply
206,530,604.23x = 309,682,454.49 × 141,850,682.95 - Step 4: Simplify right side
206,530,604.23x = 43,928,667,667,038,792 - Step 5: Solve for x
x = 43,928,667,667,038,792/206,530,604.23 - Step 6: Final answer
x = 212,698,102.69
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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.