Finding the Fourth Proportional to 63,077,542.48, 87,086,414.28 and 48,364,930.09
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Solution
The fourth proportional to 63,077,542.48, 87,086,414.28 and 48,364,930.09 is: 66,773,817.95
Step by Step Solution
- Step 1: Write the proportion equation
63,077,542.48 : 87,086,414.28 = 48,364,930.09 : x - Step 2: Convert to fraction form
63,077,542.48/87,086,414.28 = 48,364,930.09/x - Step 3: Cross multiply
63,077,542.48x = 87,086,414.28 × 48,364,930.09 - Step 4: Simplify right side
63,077,542.48x = 4,211,928,338,440,978 - Step 5: Solve for x
x = 4,211,928,338,440,978/63,077,542.48 - Step 6: Final answer
x = 66,773,817.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.