Finding the Fourth Proportional to 117,526,450.40, 176,289,675.60 and 71,542,296.80
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Solution
The fourth proportional to 117,526,450.40, 176,289,675.60 and 71,542,296.80 is: 107,313,445.20
Step by Step Solution
- Step 1: Write the proportion equation
117,526,450.40 : 176,289,675.60 = 71,542,296.80 : x - Step 2: Convert to fraction form
117,526,450.40/176,289,675.60 = 71,542,296.80/x - Step 3: Cross multiply
117,526,450.40x = 176,289,675.60 × 71,542,296.80 - Step 4: Simplify right side
117,526,450.40x = 12,612,168,294,550,918 - Step 5: Solve for x
x = 12,612,168,294,550,918/117,526,450.40 - Step 6: Final answer
x = 107,313,445.20
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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.