Finding the Fourth Proportional to 227,416,316.94, 313,834,517.69 and 122,994,388.53
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Solution
The fourth proportional to 227,416,316.94, 313,834,517.69 and 122,994,388.53 is: 169,732,256.34
Step by Step Solution
- Step 1: Write the proportion equation
227,416,316.94 : 313,834,517.69 = 122,994,388.53 : x - Step 2: Convert to fraction form
227,416,316.94/313,834,517.69 = 122,994,388.53/x - Step 3: Cross multiply
227,416,316.94x = 313,834,517.69 × 122,994,388.53 - Step 4: Simplify right side
227,416,316.94x = 38,599,884,602,274,048 - Step 5: Solve for x
x = 38,599,884,602,274,048/227,416,316.94 - Step 6: Final answer
x = 169,732,256.34
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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.