Finding the Fourth Proportional to 188,732,287.88, 260,316,393.22 and 125,976,745.09
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Solution
The fourth proportional to 188,732,287.88, 260,316,393.22 and 125,976,745.09 is: 173,758,355.18
Step by Step Solution
- Step 1: Write the proportion equation
188,732,287.88 : 260,316,393.22 = 125,976,745.09 : x - Step 2: Convert to fraction form
188,732,287.88/260,316,393.22 = 125,976,745.09/x - Step 3: Cross multiply
188,732,287.88x = 260,316,393.22 × 125,976,745.09 - Step 4: Simplify right side
188,732,287.88x = 32,793,811,910,794,260 - Step 5: Solve for x
x = 32,793,811,910,794,260/188,732,287.88 - Step 6: Final answer
x = 173,758,355.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.