Finding the Fourth Proportional to 198,983,577.24, 274,594,545.32 and 110,881,288.26
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Solution
The fourth proportional to 198,983,577.24, 274,594,545.32 and 110,881,288.26 is: 153,014,622.40
Step by Step Solution
- Step 1: Write the proportion equation
198,983,577.24 : 274,594,545.32 = 110,881,288.26 : x - Step 2: Convert to fraction form
198,983,577.24/274,594,545.32 = 110,881,288.26/x - Step 3: Cross multiply
198,983,577.24x = 274,594,545.32 × 110,881,288.26 - Step 4: Simplify right side
198,983,577.24x = 30,447,396,934,250,556 - Step 5: Solve for x
x = 30,447,396,934,250,556/198,983,577.24 - Step 6: Final answer
x = 153,014,622.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.