Finding the Fourth Proportional to 224,201,900.20, 336,302,850.30 and 120,889,769.80
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Solution
The fourth proportional to 224,201,900.20, 336,302,850.30 and 120,889,769.80 is: 181,334,654.70
Step by Step Solution
- Step 1: Write the proportion equation
224,201,900.20 : 336,302,850.30 = 120,889,769.80 : x - Step 2: Convert to fraction form
224,201,900.20/336,302,850.30 = 120,889,769.80/x - Step 3: Cross multiply
224,201,900.20x = 336,302,850.30 × 120,889,769.80 - Step 4: Simplify right side
224,201,900.20x = 40,655,574,155,850,864 - Step 5: Solve for x
x = 40,655,574,155,850,864/224,201,900.20 - Step 6: Final answer
x = 181,334,654.70
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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.