Finding the Fourth Proportional to 160,907,910.80, 221,898,545.16 and 108,103,920.08
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Solution
The fourth proportional to 160,907,910.80, 221,898,545.16 and 108,103,920.08 is: 149,079,697.03
Step by Step Solution
- Step 1: Write the proportion equation
160,907,910.80 : 221,898,545.16 = 108,103,920.08 : x - Step 2: Convert to fraction form
160,907,910.80/221,898,545.16 = 108,103,920.08/x - Step 3: Cross multiply
160,907,910.80x = 221,898,545.16 × 108,103,920.08 - Step 4: Simplify right side
160,907,910.80x = 23,988,102,591,844,912 - Step 5: Solve for x
x = 23,988,102,591,844,912/160,907,910.80 - Step 6: Final answer
x = 149,079,697.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.