Finding the Fourth Proportional to 306,332,325.99, 422,738,097.21 and 167,103,087.66
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Solution
The fourth proportional to 306,332,325.99, 422,738,097.21 and 167,103,087.66 is: 230,601,981.32
Step by Step Solution
- Step 1: Write the proportion equation
306,332,325.99 : 422,738,097.21 = 167,103,087.66 : x - Step 2: Convert to fraction form
306,332,325.99/422,738,097.21 = 167,103,087.66/x - Step 3: Cross multiply
306,332,325.99x = 422,738,097.21 × 167,103,087.66 - Step 4: Simplify right side
306,332,325.99x = 70,640,841,315,304,224 - Step 5: Solve for x
x = 70,640,841,315,304,224/306,332,325.99 - Step 6: Final answer
x = 230,601,981.32
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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.