Finding the Fourth Proportional to 96,569,489.80, 144,854,234.70 and 51,219,857.80
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Solution
The fourth proportional to 96,569,489.80, 144,854,234.70 and 51,219,857.80 is: 76,829,786.70
Step by Step Solution
- Step 1: Write the proportion equation
96,569,489.80 : 144,854,234.70 = 51,219,857.80 : x - Step 2: Convert to fraction form
96,569,489.80/144,854,234.70 = 51,219,857.80/x - Step 3: Cross multiply
96,569,489.80x = 144,854,234.70 × 51,219,857.80 - Step 4: Simplify right side
96,569,489.80x = 7,419,413,303,061,825 - Step 5: Solve for x
x = 7,419,413,303,061,825/96,569,489.80 - Step 6: Final answer
x = 76,829,786.70
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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.