Finding the Fourth Proportional to 48,214,768.83, 66,497,882.36 and 31,711,835.31
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Solution
The fourth proportional to 48,214,768.83, 66,497,882.36 and 31,711,835.31 is: 43,737,011.39
Step by Step Solution
- Step 1: Write the proportion equation
48,214,768.83 : 66,497,882.36 = 31,711,835.31 : x - Step 2: Convert to fraction form
48,214,768.83/66,497,882.36 = 31,711,835.31/x - Step 3: Cross multiply
48,214,768.83x = 66,497,882.36 × 31,711,835.31 - Step 4: Simplify right side
48,214,768.83x = 2,108,769,893,705,514.75 - Step 5: Solve for x
x = 2,108,769,893,705,514.75/48,214,768.83 - Step 6: Final answer
x = 43,737,011.39
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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.