Finding the Fourth Proportional to 68,396,953.98, 94,385,968.11 and 39,027,752.94
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Solution
The fourth proportional to 68,396,953.98, 94,385,968.11 and 39,027,752.94 is: 53,857,255.77
Step by Step Solution
- Step 1: Write the proportion equation
68,396,953.98 : 94,385,968.11 = 39,027,752.94 : x - Step 2: Convert to fraction form
68,396,953.98/94,385,968.11 = 39,027,752.94/x - Step 3: Cross multiply
68,396,953.98x = 94,385,968.11 × 39,027,752.94 - Step 4: Simplify right side
68,396,953.98x = 3,683,672,244,399,798.50 - Step 5: Solve for x
x = 3,683,672,244,399,798.50/68,396,953.98 - Step 6: Final answer
x = 53,857,255.77
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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.