Finding the Fourth Proportional to 201,676,885.70, 302,515,328.55 and 132,802,132.10
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Solution
The fourth proportional to 201,676,885.70, 302,515,328.55 and 132,802,132.10 is: 199,203,198.15
Step by Step Solution
- Step 1: Write the proportion equation
201,676,885.70 : 302,515,328.55 = 132,802,132.10 : x - Step 2: Convert to fraction form
201,676,885.70/302,515,328.55 = 132,802,132.10/x - Step 3: Cross multiply
201,676,885.70x = 302,515,328.55 × 132,802,132.10 - Step 4: Simplify right side
201,676,885.70x = 40,174,680,624,372,000 - Step 5: Solve for x
x = 40,174,680,624,372,000/201,676,885.70 - Step 6: Final answer
x = 199,203,198.15
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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.