Finding the Fourth Proportional to 206,472,623.13, 284,939,738.73 and 112,382,225.96
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Solution
The fourth proportional to 206,472,623.13, 284,939,738.73 and 112,382,225.96 is: 155,091,564.28
Step by Step Solution
- Step 1: Write the proportion equation
206,472,623.13 : 284,939,738.73 = 112,382,225.96 : x - Step 2: Convert to fraction form
206,472,623.13/284,939,738.73 = 112,382,225.96/x - Step 3: Cross multiply
206,472,623.13x = 284,939,738.73 × 112,382,225.96 - Step 4: Simplify right side
206,472,623.13x = 32,022,162,101,513,528 - Step 5: Solve for x
x = 32,022,162,101,513,528/206,472,623.13 - Step 6: Final answer
x = 155,091,564.28
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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.