Finding the Fourth Proportional to 201,453,107.40, 302,403,609.90 and 124,862,617.80
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Solution
The fourth proportional to 201,453,107.40, 302,403,609.90 and 124,862,617.80 is: 187,432,732.37
Step by Step Solution
- Step 1: Write the proportion equation
201,453,107.40 : 302,403,609.90 = 124,862,617.80 : x - Step 2: Convert to fraction form
201,453,107.40/302,403,609.90 = 124,862,617.80/x - Step 3: Cross multiply
201,453,107.40x = 302,403,609.90 × 124,862,617.80 - Step 4: Simplify right side
201,453,107.40x = 37,758,906,364,283,992 - Step 5: Solve for x
x = 37,758,906,364,283,992/201,453,107.40 - Step 6: Final answer
x = 187,432,732.37
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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.