Finding the Fourth Proportional to 61,173,920.70, 91,811,072.70 and 60,695,623.80
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Solution
The fourth proportional to 61,173,920.70, 91,811,072.70 and 60,695,623.80 is: 91,093,234.92
Step by Step Solution
- Step 1: Write the proportion equation
61,173,920.70 : 91,811,072.70 = 60,695,623.80 : x - Step 2: Convert to fraction form
61,173,920.70/91,811,072.70 = 60,695,623.80/x - Step 3: Cross multiply
61,173,920.70x = 91,811,072.70 × 60,695,623.80 - Step 4: Simplify right side
61,173,920.70x = 5,572,530,329,273,650 - Step 5: Solve for x
x = 5,572,530,329,273,650/61,173,920.70 - Step 6: Final answer
x = 91,093,234.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.