Finding the Fourth Proportional to 82,526,231.80, 123,789,347.70 and 44,262,479.80
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Solution
The fourth proportional to 82,526,231.80, 123,789,347.70 and 44,262,479.80 is: 66,393,719.70
Step by Step Solution
- Step 1: Write the proportion equation
82,526,231.80 : 123,789,347.70 = 44,262,479.80 : x - Step 2: Convert to fraction form
82,526,231.80/123,789,347.70 = 44,262,479.80/x - Step 3: Cross multiply
82,526,231.80x = 123,789,347.70 × 44,262,479.80 - Step 4: Simplify right side
82,526,231.80x = 5,479,223,502,026,426 - Step 5: Solve for x
x = 5,479,223,502,026,426/82,526,231.80 - Step 6: Final answer
x = 66,393,719.70
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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.