Finding the Fourth Proportional to 227,026,782.47, 313,296,947.82 and 122,604,843.74
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Solution
The fourth proportional to 227,026,782.47, 313,296,947.82 and 122,604,843.74 is: 169,194,677.88
Step by Step Solution
- Step 1: Write the proportion equation
227,026,782.47 : 313,296,947.82 = 122,604,843.74 : x - Step 2: Convert to fraction form
227,026,782.47/313,296,947.82 = 122,604,843.74/x - Step 3: Cross multiply
227,026,782.47x = 313,296,947.82 × 122,604,843.74 - Step 4: Simplify right side
227,026,782.47x = 38,411,723,330,123,544 - Step 5: Solve for x
x = 38,411,723,330,123,544/227,026,782.47 - Step 6: Final answer
x = 169,194,677.88
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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.