Finding the Fourth Proportional to 120,690,116.20, 181,035,174.30 and 44,015,645.80
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Solution
The fourth proportional to 120,690,116.20, 181,035,174.30 and 44,015,645.80 is: 66,023,468.70
Step by Step Solution
- Step 1: Write the proportion equation
120,690,116.20 : 181,035,174.30 = 44,015,645.80 : x - Step 2: Convert to fraction form
120,690,116.20/181,035,174.30 = 44,015,645.80/x - Step 3: Cross multiply
120,690,116.20x = 181,035,174.30 × 44,015,645.80 - Step 4: Simplify right side
120,690,116.20x = 7,968,380,109,330,063 - Step 5: Solve for x
x = 7,968,380,109,330,063/120,690,116.20 - Step 6: Final answer
x = 66,023,468.70
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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.