Finding the Fourth Proportional to 80,457,413.20, 120,686,119.80 and 26,604,725.20
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Solution
The fourth proportional to 80,457,413.20, 120,686,119.80 and 26,604,725.20 is: 39,907,087.80
Step by Step Solution
- Step 1: Write the proportion equation
80,457,413.20 : 120,686,119.80 = 26,604,725.20 : x - Step 2: Convert to fraction form
80,457,413.20/120,686,119.80 = 26,604,725.20/x - Step 3: Cross multiply
80,457,413.20x = 120,686,119.80 × 26,604,725.20 - Step 4: Simplify right side
80,457,413.20x = 3,210,821,052,733,279 - Step 5: Solve for x
x = 3,210,821,052,733,279/80,457,413.20 - Step 6: Final answer
x = 39,907,087.80
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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.