Finding the Fourth Proportional to 121,143,277.20, 181,714,915.80 and 44,521,294.80
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Solution
The fourth proportional to 121,143,277.20, 181,714,915.80 and 44,521,294.80 is: 66,781,942.20
Step by Step Solution
- Step 1: Write the proportion equation
121,143,277.20 : 181,714,915.80 = 44,521,294.80 : x - Step 2: Convert to fraction form
121,143,277.20/181,714,915.80 = 44,521,294.80/x - Step 3: Cross multiply
121,143,277.20x = 181,714,915.80 × 44,521,294.80 - Step 4: Simplify right side
121,143,277.20x = 8,090,183,335,888,978 - Step 5: Solve for x
x = 8,090,183,335,888,978/121,143,277.20 - Step 6: Final answer
x = 66,781,942.20
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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.