Finding the Fourth Proportional to 236,201,969.80, 354,302,954.70 and 74,643,905.80
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Solution
The fourth proportional to 236,201,969.80, 354,302,954.70 and 74,643,905.80 is: 111,965,858.70
Step by Step Solution
- Step 1: Write the proportion equation
236,201,969.80 : 354,302,954.70 = 74,643,905.80 : x - Step 2: Convert to fraction form
236,201,969.80/354,302,954.70 = 74,643,905.80/x - Step 3: Cross multiply
236,201,969.80x = 354,302,954.70 × 74,643,905.80 - Step 4: Simplify right side
236,201,969.80x = 26,446,556,375,288,464 - Step 5: Solve for x
x = 26,446,556,375,288,464/236,201,969.80 - Step 6: Final answer
x = 111,965,858.70
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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.