Finding the Fourth Proportional to 183,490,217.20, 275,235,325.80 and 101,860,879.60
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Solution
The fourth proportional to 183,490,217.20, 275,235,325.80 and 101,860,879.60 is: 152,791,319.40
Step by Step Solution
- Step 1: Write the proportion equation
183,490,217.20 : 275,235,325.80 = 101,860,879.60 : x - Step 2: Convert to fraction form
183,490,217.20/275,235,325.80 = 101,860,879.60/x - Step 3: Cross multiply
183,490,217.20x = 275,235,325.80 × 101,860,879.60 - Step 4: Simplify right side
183,490,217.20x = 28,035,712,382,980,572 - Step 5: Solve for x
x = 28,035,712,382,980,572/183,490,217.20 - Step 6: Final answer
x = 152,791,319.40
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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.