Finding the Fourth Proportional to 205,861,159.68, 284,093,336.09 and 111,779,271.99
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Solution
The fourth proportional to 205,861,159.68, 284,093,336.09 and 111,779,271.99 is: 154,258,075.37
Step by Step Solution
- Step 1: Write the proportion equation
205,861,159.68 : 284,093,336.09 = 111,779,271.99 : x - Step 2: Convert to fraction form
205,861,159.68/284,093,336.09 = 111,779,271.99/x - Step 3: Cross multiply
205,861,159.68x = 284,093,336.09 × 111,779,271.99 - Step 4: Simplify right side
205,861,159.68x = 31,755,746,285,210,868 - Step 5: Solve for x
x = 31,755,746,285,210,868/205,861,159.68 - Step 6: Final answer
x = 154,258,075.37
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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.