Finding the Fourth Proportional to 225,380,423.14, 338,185,927.88 and 107,338,814.94
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Solution
The fourth proportional to 225,380,423.14, 338,185,927.88 and 107,338,814.94 is: 161,063,131.49
Step by Step Solution
- Step 1: Write the proportion equation
225,380,423.14 : 338,185,927.88 = 107,338,814.94 : x - Step 2: Convert to fraction form
225,380,423.14/338,185,927.88 = 107,338,814.94/x - Step 3: Cross multiply
225,380,423.14x = 338,185,927.88 × 107,338,814.94 - Step 4: Simplify right side
225,380,423.14x = 36,300,476,728,023,504 - Step 5: Solve for x
x = 36,300,476,728,023,504/225,380,423.14 - Step 6: Final answer
x = 161,063,131.49
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1.5x scale
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.