Finding the Fourth Proportional to 195,372,562.40, 293,058,843.60 and 118,719,087.20
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Solution
The fourth proportional to 195,372,562.40, 293,058,843.60 and 118,719,087.20 is: 178,078,630.80
Step by Step Solution
- Step 1: Write the proportion equation
195,372,562.40 : 293,058,843.60 = 118,719,087.20 : x - Step 2: Convert to fraction form
195,372,562.40/293,058,843.60 = 118,719,087.20/x - Step 3: Cross multiply
195,372,562.40x = 293,058,843.60 × 118,719,087.20 - Step 4: Simplify right side
195,372,562.40x = 34,791,678,408,079,564 - Step 5: Solve for x
x = 34,791,678,408,079,564/195,372,562.40 - Step 6: Final answer
x = 178,078,630.80
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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.