Finding the Fourth Proportional to 172,741,251.67, 259,111,877.51 and 57,725,793.99
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Solution
The fourth proportional to 172,741,251.67, 259,111,877.51 and 57,725,793.99 is: 86,588,690.99
Step by Step Solution
- Step 1: Write the proportion equation
172,741,251.67 : 259,111,877.51 = 57,725,793.99 : x - Step 2: Convert to fraction form
172,741,251.67/259,111,877.51 = 57,725,793.99/x - Step 3: Cross multiply
172,741,251.67x = 259,111,877.51 × 57,725,793.99 - Step 4: Simplify right side
172,741,251.67x = 14,957,438,861,504,374 - Step 5: Solve for x
x = 14,957,438,861,504,374/172,741,251.67 - Step 6: Final answer
x = 86,588,690.99
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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.