Finding the Fourth Proportional to 131,902,214.46, 197,588,782.17 and 67,203,406.14
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Solution
The fourth proportional to 131,902,214.46, 197,588,782.17 and 67,203,406.14 is: 100,670,327.87
Step by Step Solution
- Step 1: Write the proportion equation
131,902,214.46 : 197,588,782.17 = 67,203,406.14 : x - Step 2: Convert to fraction form
131,902,214.46/197,588,782.17 = 67,203,406.14/x - Step 3: Cross multiply
131,902,214.46x = 197,588,782.17 × 67,203,406.14 - Step 4: Simplify right side
131,902,214.46x = 13,278,639,176,878,500 - Step 5: Solve for x
x = 13,278,639,176,878,500/131,902,214.46 - Step 6: Final answer
x = 100,670,327.87
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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.