Finding the Fourth Proportional to 119,122,291.16, 164,392,753.98 and 66,201,229.44
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Solution
The fourth proportional to 119,122,291.16, 164,392,753.98 and 66,201,229.44 is: 91,359,915.25
Step by Step Solution
- Step 1: Write the proportion equation
119,122,291.16 : 164,392,753.98 = 66,201,229.44 : x - Step 2: Convert to fraction form
119,122,291.16/164,392,753.98 = 66,201,229.44/x - Step 3: Cross multiply
119,122,291.16x = 164,392,753.98 × 66,201,229.44 - Step 4: Simplify right side
119,122,291.16x = 10,883,002,424,503,452 - Step 5: Solve for x
x = 10,883,002,424,503,452/119,122,291.16 - Step 6: Final answer
x = 91,359,915.25
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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.