Finding the Fourth Proportional to 227,272,171.24, 313,635,461.16 and 122,850,244.18
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Solution
The fourth proportional to 227,272,171.24, 313,635,461.16 and 122,850,244.18 is: 169,533,263.91
Step by Step Solution
- Step 1: Write the proportion equation
227,272,171.24 : 313,635,461.16 = 122,850,244.18 : x - Step 2: Convert to fraction form
227,272,171.24/313,635,461.16 = 122,850,244.18/x - Step 3: Cross multiply
227,272,171.24x = 313,635,461.16 × 122,850,244.18 - Step 4: Simplify right side
227,272,171.24x = 38,530,192,987,012,912 - Step 5: Solve for x
x = 38,530,192,987,012,912/227,272,171.24 - Step 6: Final answer
x = 169,533,263.91
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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.