Finding the Fourth Proportional to 146,778,388.20, 220,167,582.30 and 44,542,261.80
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Solution
The fourth proportional to 146,778,388.20, 220,167,582.30 and 44,542,261.80 is: 66,813,392.70
Step by Step Solution
- Step 1: Write the proportion equation
146,778,388.20 : 220,167,582.30 = 44,542,261.80 : x - Step 2: Convert to fraction form
146,778,388.20/220,167,582.30 = 44,542,261.80/x - Step 3: Cross multiply
146,778,388.20x = 220,167,582.30 × 44,542,261.80 - Step 4: Simplify right side
146,778,388.20x = 9,806,762,090,679,646 - Step 5: Solve for x
x = 9,806,762,090,679,646/146,778,388.20 - Step 6: Final answer
x = 66,813,392.70
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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.