Finding the Fourth Proportional to 269,235,717.09, 403,895,331.26 and 113,790,179.53
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Solution
The fourth proportional to 269,235,717.09, 403,895,331.26 and 113,790,179.53 is: 170,702,916.96
Step by Step Solution
- Step 1: Write the proportion equation
269,235,717.09 : 403,895,331.26 = 113,790,179.53 : x - Step 2: Convert to fraction form
269,235,717.09/403,895,331.26 = 113,790,179.53/x - Step 3: Cross multiply
269,235,717.09x = 403,895,331.26 × 113,790,179.53 - Step 4: Simplify right side
269,235,717.09x = 45,959,322,256,406,360 - Step 5: Solve for x
x = 45,959,322,256,406,360/269,235,717.09 - Step 6: Final answer
x = 170,702,916.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.