Finding the Fourth Proportional to 154,117,600.83, 231,214,979.72 and 44,942,783.99
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Solution
The fourth proportional to 154,117,600.83, 231,214,979.72 and 44,942,783.99 is: 67,425,425.99
Step by Step Solution
- Step 1: Write the proportion equation
154,117,600.83 : 231,214,979.72 = 44,942,783.99 : x - Step 2: Convert to fraction form
154,117,600.83/231,214,979.72 = 44,942,783.99/x - Step 3: Cross multiply
154,117,600.83x = 231,214,979.72 × 44,942,783.99 - Step 4: Simplify right side
154,117,600.83x = 10,391,444,887,764,472 - Step 5: Solve for x
x = 10,391,444,887,764,472/154,117,600.83 - Step 6: Final answer
x = 67,425,425.99
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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.