Finding the Fourth Proportional to 84,180,991.52, 126,277,189.68 and 29,586,939.68
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Solution
The fourth proportional to 84,180,991.52, 126,277,189.68 and 29,586,939.68 is: 44,382,413.73
Step by Step Solution
- Step 1: Write the proportion equation
84,180,991.52 : 126,277,189.68 = 29,586,939.68 : x - Step 2: Convert to fraction form
84,180,991.52/126,277,189.68 = 29,586,939.68/x - Step 3: Cross multiply
84,180,991.52x = 126,277,189.68 × 29,586,939.68 - Step 4: Simplify right side
84,180,991.52x = 3,736,155,594,022,078.50 - Step 5: Solve for x
x = 3,736,155,594,022,078.50/84,180,991.52 - Step 6: Final answer
x = 44,382,413.73
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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.