Finding the Fourth Proportional to 134,722,608.30, 202,083,912.45 and 121,117,718.70
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Solution
The fourth proportional to 134,722,608.30, 202,083,912.45 and 121,117,718.70 is: 181,676,578.05
Step by Step Solution
- Step 1: Write the proportion equation
134,722,608.30 : 202,083,912.45 = 121,117,718.70 : x - Step 2: Convert to fraction form
134,722,608.30/202,083,912.45 = 121,117,718.70/x - Step 3: Cross multiply
134,722,608.30x = 202,083,912.45 × 121,117,718.70 - Step 4: Simplify right side
134,722,608.30x = 24,475,942,461,914,528 - Step 5: Solve for x
x = 24,475,942,461,914,528/134,722,608.30 - Step 6: Final answer
x = 181,676,578.05
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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.