Finding the Fourth Proportional to 74,197,687.98, 102,394,450.38 and 41,156,860.14
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Solution
The fourth proportional to 74,197,687.98, 102,394,450.38 and 41,156,860.14 is: 56,797,377.22
Step by Step Solution
- Step 1: Write the proportion equation
74,197,687.98 : 102,394,450.38 = 41,156,860.14 : x - Step 2: Convert to fraction form
74,197,687.98/102,394,450.38 = 41,156,860.14/x - Step 3: Cross multiply
74,197,687.98x = 102,394,450.38 × 41,156,860.14 - Step 4: Simplify right side
74,197,687.98x = 4,214,234,073,401,829.50 - Step 5: Solve for x
x = 4,214,234,073,401,829.50/74,197,687.98 - Step 6: Final answer
x = 56,797,377.22
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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.