Finding the Fourth Proportional to 61,800,602.56, 85,284,924.95 and 33,542,985.65
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Solution
The fourth proportional to 61,800,602.56, 85,284,924.95 and 33,542,985.65 is: 46,289,370.90
Step by Step Solution
- Step 1: Write the proportion equation
61,800,602.56 : 85,284,924.95 = 33,542,985.65 : x - Step 2: Convert to fraction form
61,800,602.56/85,284,924.95 = 33,542,985.65/x - Step 3: Cross multiply
61,800,602.56x = 85,284,924.95 × 33,542,985.65 - Step 4: Simplify right side
61,800,602.56x = 2,860,711,013,416,610 - Step 5: Solve for x
x = 2,860,711,013,416,610/61,800,602.56 - Step 6: Final answer
x = 46,289,370.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.