Finding the Fourth Proportional to 134,136,000.20, 201,204,000.30 and 128,845,209.80
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Solution
The fourth proportional to 134,136,000.20, 201,204,000.30 and 128,845,209.80 is: 193,267,814.70
Step by Step Solution
- Step 1: Write the proportion equation
134,136,000.20 : 201,204,000.30 = 128,845,209.80 : x - Step 2: Convert to fraction form
134,136,000.20/201,204,000.30 = 128,845,209.80/x - Step 3: Cross multiply
134,136,000.20x = 201,204,000.30 × 128,845,209.80 - Step 4: Simplify right side
134,136,000.20x = 25,924,171,631,252,764 - Step 5: Solve for x
x = 25,924,171,631,252,764/134,136,000.20 - Step 6: Final answer
x = 193,267,814.70
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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.