Finding the Fourth Proportional to 293,542,108.80, 440,313,163.20 and 132,298,972.80
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Solution
The fourth proportional to 293,542,108.80, 440,313,163.20 and 132,298,972.80 is: 198,448,459.20
Step by Step Solution
- Step 1: Write the proportion equation
293,542,108.80 : 440,313,163.20 = 132,298,972.80 : x - Step 2: Convert to fraction form
293,542,108.80/440,313,163.20 = 132,298,972.80/x - Step 3: Cross multiply
293,542,108.80x = 440,313,163.20 × 132,298,972.80 - Step 4: Simplify right side
293,542,108.80x = 58,252,979,201,678,760 - Step 5: Solve for x
x = 58,252,979,201,678,760/293,542,108.80 - Step 6: Final answer
x = 198,448,459.20
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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.