Finding the Fourth Proportional to 134,125,478.23, 201,044,983.42 and 76,493,654.23
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Solution
The fourth proportional to 134,125,478.23, 201,044,983.42 and 76,493,654.23 is: 114,658,793.01
Step by Step Solution
- Step 1: Write the proportion equation
134,125,478.23 : 201,044,983.42 = 76,493,654.23 : x - Step 2: Convert to fraction form
134,125,478.23/201,044,983.42 = 76,493,654.23/x - Step 3: Cross multiply
134,125,478.23x = 201,044,983.42 × 76,493,654.23 - Step 4: Simplify right side
134,125,478.23x = 15,378,665,446,405,562 - Step 5: Solve for x
x = 15,378,665,446,405,562/134,125,478.23 - Step 6: Final answer
x = 114,658,793.01
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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.