Finding the Fourth Proportional to 146,733,750.80, 220,121,621.40 and 44,505,789.20
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Solution
The fourth proportional to 146,733,750.80, 220,121,621.40 and 44,505,789.20 is: 66,765,051.85
Step by Step Solution
- Step 1: Write the proportion equation
146,733,750.80 : 220,121,621.40 = 44,505,789.20 : x - Step 2: Convert to fraction form
146,733,750.80/220,121,621.40 = 44,505,789.20/x - Step 3: Cross multiply
146,733,750.80x = 220,121,621.40 × 44,505,789.20 - Step 4: Simplify right side
146,733,750.80x = 9,796,686,480,390,610 - Step 5: Solve for x
x = 9,796,686,480,390,610/146,733,750.80 - Step 6: Final answer
x = 66,765,051.85
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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.