Finding the Fourth Proportional to 122,121,330.96, 183,181,063.20 and 31,244,774.16
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Solution
The fourth proportional to 122,121,330.96, 183,181,063.20 and 31,244,774.16 is: 46,866,922.47
Step by Step Solution
- Step 1: Write the proportion equation
122,121,330.96 : 183,181,063.20 = 31,244,774.16 : x - Step 2: Convert to fraction form
122,121,330.96/183,181,063.20 = 31,244,774.16/x - Step 3: Cross multiply
122,121,330.96x = 183,181,063.20 × 31,244,774.16 - Step 4: Simplify right side
122,121,330.96x = 5,723,450,950,072,687 - Step 5: Solve for x
x = 5,723,450,950,072,687/122,121,330.96 - Step 6: Final answer
x = 46,866,922.47
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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.