Finding the Fourth Proportional to 147,168,469.20, 220,752,703.80 and 44,919,220.80
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Solution
The fourth proportional to 147,168,469.20, 220,752,703.80 and 44,919,220.80 is: 67,378,831.20
Step by Step Solution
- Step 1: Write the proportion equation
147,168,469.20 : 220,752,703.80 = 44,919,220.80 : x - Step 2: Convert to fraction form
147,168,469.20/220,752,703.80 = 44,919,220.80/x - Step 3: Cross multiply
147,168,469.20x = 220,752,703.80 × 44,919,220.80 - Step 4: Simplify right side
147,168,469.20x = 9,916,039,444,189,198 - Step 5: Solve for x
x = 9,916,039,444,189,198/147,168,469.20 - Step 6: Final answer
x = 67,378,831.20
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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.