Finding the Fourth Proportional to 134,136,147.80, 201,204,221.70 and 47,877,368.60
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Solution
The fourth proportional to 134,136,147.80, 201,204,221.70 and 47,877,368.60 is: 71,816,052.90
Step by Step Solution
- Step 1: Write the proportion equation
134,136,147.80 : 201,204,221.70 = 47,877,368.60 : x - Step 2: Convert to fraction form
134,136,147.80/201,204,221.70 = 47,877,368.60/x - Step 3: Cross multiply
134,136,147.80x = 201,204,221.70 × 47,877,368.60 - Step 4: Simplify right side
134,136,147.80x = 9,633,128,686,207,018 - Step 5: Solve for x
x = 9,633,128,686,207,018/134,136,147.80 - Step 6: Final answer
x = 71,816,052.90
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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.