Finding the Fourth Proportional to 49,086,950.18, 67,740,195.85 and 27,059,965.70
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Solution
The fourth proportional to 49,086,950.18, 67,740,195.85 and 27,059,965.70 is: 37,342,865.45
Step by Step Solution
- Step 1: Write the proportion equation
49,086,950.18 : 67,740,195.85 = 27,059,965.70 : x - Step 2: Convert to fraction form
49,086,950.18/67,740,195.85 = 27,059,965.70/x - Step 3: Cross multiply
49,086,950.18x = 67,740,195.85 × 27,059,965.70 - Step 4: Simplify right side
49,086,950.18x = 1,833,047,375,805,931.25 - Step 5: Solve for x
x = 1,833,047,375,805,931.25/49,086,950.18 - Step 6: Final answer
x = 37,342,865.45
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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.