Finding the Fourth Proportional to 149,491,171.80, 224,236,757.70 and 97,835,106.60
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Solution
The fourth proportional to 149,491,171.80, 224,236,757.70 and 97,835,106.60 is: 146,752,659.90
Step by Step Solution
- Step 1: Write the proportion equation
149,491,171.80 : 224,236,757.70 = 97,835,106.60 : x - Step 2: Convert to fraction form
149,491,171.80/224,236,757.70 = 97,835,106.60/x - Step 3: Cross multiply
149,491,171.80x = 224,236,757.70 × 97,835,106.60 - Step 4: Simplify right side
149,491,171.80x = 21,938,227,093,217,868 - Step 5: Solve for x
x = 21,938,227,093,217,868/149,491,171.80 - Step 6: Final answer
x = 146,752,659.90
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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.