Finding the Fourth Proportional to 227,026,811.28, 313,296,987.48 and 122,604,872.48
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Solution
The fourth proportional to 227,026,811.28, 313,296,987.48 and 122,604,872.48 is: 169,194,717.50
Step by Step Solution
- Step 1: Write the proportion equation
227,026,811.28 : 313,296,987.48 = 122,604,872.48 : x - Step 2: Convert to fraction form
227,026,811.28/313,296,987.48 = 122,604,872.48/x - Step 3: Cross multiply
227,026,811.28x = 313,296,987.48 × 122,604,872.48 - Step 4: Simplify right side
227,026,811.28x = 38,411,737,198,353,560 - Step 5: Solve for x
x = 38,411,737,198,353,560/227,026,811.28 - Step 6: Final answer
x = 169,194,717.50
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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.