Finding the Fourth Proportional to 235,154,252.91, 324,533,546.69 and 129,326,317.01
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Solution
The fourth proportional to 235,154,252.91, 324,533,546.69 and 129,326,317.01 is: 178,481,689.44
Step by Step Solution
- Step 1: Write the proportion equation
235,154,252.91 : 324,533,546.69 = 129,326,317.01 : x - Step 2: Convert to fraction form
235,154,252.91/324,533,546.69 = 129,326,317.01/x - Step 3: Cross multiply
235,154,252.91x = 324,533,546.69 × 129,326,317.01 - Step 4: Simplify right side
235,154,252.91x = 41,970,728,338,311,224 - Step 5: Solve for x
x = 41,970,728,338,311,224/235,154,252.91 - Step 6: Final answer
x = 178,481,689.44
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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.