Finding the Fourth Proportional to 125,512,243.20, 188,160,538.56 and 43,620,481.92
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Solution
The fourth proportional to 125,512,243.20, 188,160,538.56 and 43,620,481.92 is: 65,393,248.99
Step by Step Solution
- Step 1: Write the proportion equation
125,512,243.20 : 188,160,538.56 = 43,620,481.92 : x - Step 2: Convert to fraction form
125,512,243.20/188,160,538.56 = 43,620,481.92/x - Step 3: Cross multiply
125,512,243.20x = 188,160,538.56 × 43,620,481.92 - Step 4: Simplify right side
125,512,243.20x = 8,207,653,370,313,943 - Step 5: Solve for x
x = 8,207,653,370,313,943/125,512,243.20 - Step 6: Final answer
x = 65,393,248.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.