Finding the Fourth Proportional to 264,920,930.15, 397,392,351.97 and 78,174,874.99
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Solution
The fourth proportional to 264,920,930.15, 397,392,351.97 and 78,174,874.99 is: 117,265,545.69
Step by Step Solution
- Step 1: Write the proportion equation
264,920,930.15 : 397,392,351.97 = 78,174,874.99 : x - Step 2: Convert to fraction form
264,920,930.15/397,392,351.97 = 78,174,874.99/x - Step 3: Cross multiply
264,920,930.15x = 397,392,351.97 × 78,174,874.99 - Step 4: Simplify right side
264,920,930.15x = 31,066,097,437,824,192 - Step 5: Solve for x
x = 31,066,097,437,824,192/264,920,930.15 - Step 6: Final answer
x = 117,265,545.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.