Finding the Fourth Proportional to 198,629,707.15, 298,011,539.49 and 87,950,266.66
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Solution
The fourth proportional to 198,629,707.15, 298,011,539.49 and 87,950,266.66 is: 131,955,057.19
Step by Step Solution
- Step 1: Write the proportion equation
198,629,707.15 : 298,011,539.49 = 87,950,266.66 : x - Step 2: Convert to fraction form
198,629,707.15/298,011,539.49 = 87,950,266.66/x - Step 3: Cross multiply
198,629,707.15x = 298,011,539.49 × 87,950,266.66 - Step 4: Simplify right side
198,629,707.15x = 26,210,194,365,902,620 - Step 5: Solve for x
x = 26,210,194,365,902,620/198,629,707.15 - Step 6: Final answer
x = 131,955,057.19
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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.