Finding the Fourth Proportional to 235,267,496.75, 324,667,350.17 and 129,418,632.84
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Solution
The fourth proportional to 235,267,496.75, 324,667,350.17 and 129,418,632.84 is: 178,596,725.72
Step by Step Solution
- Step 1: Write the proportion equation
235,267,496.75 : 324,667,350.17 = 129,418,632.84 : x - Step 2: Convert to fraction form
235,267,496.75/324,667,350.17 = 129,418,632.84/x - Step 3: Cross multiply
235,267,496.75x = 324,667,350.17 × 129,418,632.84 - Step 4: Simplify right side
235,267,496.75x = 42,018,004,586,139,856 - Step 5: Solve for x
x = 42,018,004,586,139,856/235,267,496.75 - Step 6: Final answer
x = 178,596,725.72
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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.