Finding the Fourth Proportional to 227,272,172.24, 313,635,462.54 and 122,850,245.18
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Solution
The fourth proportional to 227,272,172.24, 313,635,462.54 and 122,850,245.18 is: 169,533,265.29
Step by Step Solution
- Step 1: Write the proportion equation
227,272,172.24 : 313,635,462.54 = 122,850,245.18 : x - Step 2: Convert to fraction form
227,272,172.24/313,635,462.54 = 122,850,245.18/x - Step 3: Cross multiply
227,272,172.24x = 313,635,462.54 × 122,850,245.18 - Step 4: Simplify right side
227,272,172.24x = 38,530,193,470,181,712 - Step 5: Solve for x
x = 38,530,193,470,181,712/227,272,172.24 - Step 6: Final answer
x = 169,533,265.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.