Finding the Fourth Proportional to 119,589,750.80, 167,539,025.20 and 119,589,750.80
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Solution
The fourth proportional to 119,589,750.80, 167,539,025.20 and 119,589,750.80 is: 167,539,025.20
Step by Step Solution
- Step 1: Write the proportion equation
119,589,750.80 : 167,539,025.20 = 119,589,750.80 : x - Step 2: Convert to fraction form
119,589,750.80/167,539,025.20 = 119,589,750.80/x - Step 3: Cross multiply
119,589,750.80x = 167,539,025.20 × 119,589,750.80 - Step 4: Simplify right side
119,589,750.80x = 20,035,950,272,942,920 - Step 5: Solve for x
x = 20,035,950,272,942,920/119,589,750.80 - Step 6: Final answer
x = 167,539,025.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.