Finding the Fourth Proportional to 163,169,912.40, 244,187,998.20 and 149,565,022.80
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Solution
The fourth proportional to 163,169,912.40, 244,187,998.20 and 149,565,022.80 is: 223,827,928.70
Step by Step Solution
- Step 1: Write the proportion equation
163,169,912.40 : 244,187,998.20 = 149,565,022.80 : x - Step 2: Convert to fraction form
163,169,912.40/244,187,998.20 = 149,565,022.80/x - Step 3: Cross multiply
163,169,912.40x = 244,187,998.20 × 149,565,022.80 - Step 4: Simplify right side
163,169,912.40x = 36,521,983,518,269,360 - Step 5: Solve for x
x = 36,521,983,518,269,360/163,169,912.40 - Step 6: Final answer
x = 223,827,928.70
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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.