Finding the Fourth Proportional to 89,990,273.39, 134,992,408.47 and 29,412,122.99
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Solution
The fourth proportional to 89,990,273.39, 134,992,408.47 and 29,412,122.99 is: 44,120,471.81
Step by Step Solution
- Step 1: Write the proportion equation
89,990,273.39 : 134,992,408.47 = 29,412,122.99 : x - Step 2: Convert to fraction form
89,990,273.39/134,992,408.47 = 29,412,122.99/x - Step 3: Cross multiply
89,990,273.39x = 134,992,408.47 × 29,412,122.99 - Step 4: Simplify right side
89,990,273.39x = 3,970,413,319,960,995.50 - Step 5: Solve for x
x = 3,970,413,319,960,995.50/89,990,273.39 - Step 6: Final answer
x = 44,120,471.81
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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.