Finding the Fourth Proportional to 227,416,316.19, 313,834,516.65 and 122,994,387.78
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Solution
The fourth proportional to 227,416,316.19, 313,834,516.65 and 122,994,387.78 is: 169,732,255.30
Step by Step Solution
- Step 1: Write the proportion equation
227,416,316.19 : 313,834,516.65 = 122,994,387.78 : x - Step 2: Convert to fraction form
227,416,316.19/313,834,516.65 = 122,994,387.78/x - Step 3: Cross multiply
227,416,316.19x = 313,834,516.65 × 122,994,387.78 - Step 4: Simplify right side
227,416,316.19x = 38,599,884,239,598,960 - Step 5: Solve for x
x = 38,599,884,239,598,960/227,416,316.19 - Step 6: Final answer
x = 169,732,255.30
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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.