Finding the Fourth Proportional to 134,828,891.20, 202,243,336.80 and 133,485,198.40
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Solution
The fourth proportional to 134,828,891.20, 202,243,336.80 and 133,485,198.40 is: 200,227,797.60
Step by Step Solution
- Step 1: Write the proportion equation
134,828,891.20 : 202,243,336.80 = 133,485,198.40 : x - Step 2: Convert to fraction form
134,828,891.20/202,243,336.80 = 133,485,198.40/x - Step 3: Cross multiply
134,828,891.20x = 202,243,336.80 × 133,485,198.40 - Step 4: Simplify right side
134,828,891.20x = 26,996,491,937,826,024 - Step 5: Solve for x
x = 26,996,491,937,826,024/134,828,891.20 - Step 6: Final answer
x = 200,227,797.60
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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.