Finding the Fourth Proportional to 55,134,023.30, 82,701,034.95 and 54,283,717.70
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Solution
The fourth proportional to 55,134,023.30, 82,701,034.95 and 54,283,717.70 is: 81,425,576.55
Step by Step Solution
- Step 1: Write the proportion equation
55,134,023.30 : 82,701,034.95 = 54,283,717.70 : x - Step 2: Convert to fraction form
55,134,023.30/82,701,034.95 = 54,283,717.70/x - Step 3: Cross multiply
55,134,023.30x = 82,701,034.95 × 54,283,717.70 - Step 4: Simplify right side
55,134,023.30x = 4,489,319,634,723,634 - Step 5: Solve for x
x = 4,489,319,634,723,634/55,134,023.30 - Step 6: Final answer
x = 81,425,576.55
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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.