Finding the Fourth Proportional to 88,938,138.40, 133,407,207.60 and 88,087,832.80
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Solution
The fourth proportional to 88,938,138.40, 133,407,207.60 and 88,087,832.80 is: 132,131,749.20
Step by Step Solution
- Step 1: Write the proportion equation
88,938,138.40 : 133,407,207.60 = 88,087,832.80 : x - Step 2: Convert to fraction form
88,938,138.40/133,407,207.60 = 88,087,832.80/x - Step 3: Cross multiply
88,938,138.40x = 133,407,207.60 × 88,087,832.80 - Step 4: Simplify right side
88,938,138.40x = 11,751,551,797,383,688 - Step 5: Solve for x
x = 11,751,551,797,383,688/88,938,138.40 - Step 6: Final answer
x = 132,131,749.20
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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.