Finding the Fourth Proportional to 80,707,379.18, 121,060,270.98 and 36,975,733.09
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Solution
The fourth proportional to 80,707,379.18, 121,060,270.98 and 36,975,733.09 is: 55,463,234.13
Step by Step Solution
- Step 1: Write the proportion equation
80,707,379.18 : 121,060,270.98 = 36,975,733.09 : x - Step 2: Convert to fraction form
80,707,379.18/121,060,270.98 = 36,975,733.09/x - Step 3: Cross multiply
80,707,379.18x = 121,060,270.98 × 36,975,733.09 - Step 4: Simplify right side
80,707,379.18x = 4,476,292,267,559,553.50 - Step 5: Solve for x
x = 4,476,292,267,559,553.50/80,707,379.18 - Step 6: Final answer
x = 55,463,234.13
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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.