Finding the Fourth Proportional to 329,059,937.80, 493,589,906.70 and 83,416,097.80
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Solution
The fourth proportional to 329,059,937.80, 493,589,906.70 and 83,416,097.80 is: 125,124,146.70
Step by Step Solution
- Step 1: Write the proportion equation
329,059,937.80 : 493,589,906.70 = 83,416,097.80 : x - Step 2: Convert to fraction form
329,059,937.80/493,589,906.70 = 83,416,097.80/x - Step 3: Cross multiply
329,059,937.80x = 493,589,906.70 × 83,416,097.80 - Step 4: Simplify right side
329,059,937.80x = 41,173,343,930,380,072 - Step 5: Solve for x
x = 41,173,343,930,380,072/329,059,937.80 - Step 6: Final answer
x = 125,124,146.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.