Finding the Fourth Proportional to 186,821,794.26, 257,814,066.23 and 100,892,326.02
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Solution
The fourth proportional to 186,821,794.26, 257,814,066.23 and 100,892,326.02 is: 139,231,404.59
Step by Step Solution
- Step 1: Write the proportion equation
186,821,794.26 : 257,814,066.23 = 100,892,326.02 : x - Step 2: Convert to fraction form
186,821,794.26/257,814,066.23 = 100,892,326.02/x - Step 3: Cross multiply
186,821,794.26x = 257,814,066.23 × 100,892,326.02 - Step 4: Simplify right side
186,821,794.26x = 26,011,460,822,114,568 - Step 5: Solve for x
x = 26,011,460,822,114,568/186,821,794.26 - Step 6: Final answer
x = 139,231,404.59
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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.