Finding the Fourth Proportional to 125,420,673.62, 188,132,901.51 and 43,542,151.98
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Solution
The fourth proportional to 125,420,673.62, 188,132,901.51 and 43,542,151.98 is: 65,313,884.50
Step by Step Solution
- Step 1: Write the proportion equation
125,420,673.62 : 188,132,901.51 = 43,542,151.98 : x - Step 2: Convert to fraction form
125,420,673.62/188,132,901.51 = 43,542,151.98/x - Step 3: Cross multiply
125,420,673.62x = 188,132,901.51 × 43,542,151.98 - Step 4: Simplify right side
125,420,673.62x = 8,191,711,389,986,790 - Step 5: Solve for x
x = 8,191,711,389,986,790/125,420,673.62 - Step 6: Final answer
x = 65,313,884.50
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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.