Finding the Fourth Proportional to 73,757,910.30, 110,636,865.45 and 31,202,108.70
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Solution
The fourth proportional to 73,757,910.30, 110,636,865.45 and 31,202,108.70 is: 46,803,163.05
Step by Step Solution
- Step 1: Write the proportion equation
73,757,910.30 : 110,636,865.45 = 31,202,108.70 : x - Step 2: Convert to fraction form
73,757,910.30/110,636,865.45 = 31,202,108.70/x - Step 3: Cross multiply
73,757,910.30x = 110,636,865.45 × 31,202,108.70 - Step 4: Simplify right side
73,757,910.30x = 3,452,103,501,998,174.50 - Step 5: Solve for x
x = 3,452,103,501,998,174.50/73,757,910.30 - Step 6: Final answer
x = 46,803,163.05
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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.