Finding the Fourth Proportional to 49,752,645.80, 74,639,596.50 and 17,405,603.60
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Solution
The fourth proportional to 49,752,645.80, 74,639,596.50 and 17,405,603.60 is: 26,112,123.45
Step by Step Solution
- Step 1: Write the proportion equation
49,752,645.80 : 74,639,596.50 = 17,405,603.60 : x - Step 2: Convert to fraction form
49,752,645.80/74,639,596.50 = 17,405,603.60/x - Step 3: Cross multiply
49,752,645.80x = 74,639,596.50 × 17,405,603.60 - Step 4: Simplify right side
49,752,645.80x = 1,299,147,229,169,749.25 - Step 5: Solve for x
x = 1,299,147,229,169,749.25/49,752,645.80 - Step 6: Final answer
x = 26,112,123.45
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1.5x scale
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.