Finding the Fourth Proportional to 92,165,331.97, 127,190,033.05 and 50,352,105.52
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Solution
The fourth proportional to 92,165,331.97, 127,190,033.05 and 50,352,105.52 is: 69,486,929.93
Step by Step Solution
- Step 1: Write the proportion equation
92,165,331.97 : 127,190,033.05 = 50,352,105.52 : x - Step 2: Convert to fraction form
92,165,331.97/127,190,033.05 = 50,352,105.52/x - Step 3: Cross multiply
92,165,331.97x = 127,190,033.05 × 50,352,105.52 - Step 4: Simplify right side
92,165,331.97x = 6,404,285,964,338,177 - Step 5: Solve for x
x = 6,404,285,964,338,177/92,165,331.97 - Step 6: Final answer
x = 69,486,929.93
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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.