Finding the Fourth Proportional to 111,451,582.78, 167,197,458.99 and 45,861,134.56
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Solution
The fourth proportional to 111,451,582.78, 167,197,458.99 and 45,861,134.56 is: 68,799,966.53
Step by Step Solution
- Step 1: Write the proportion equation
111,451,582.78 : 167,197,458.99 = 45,861,134.56 : x - Step 2: Convert to fraction form
111,451,582.78/167,197,458.99 = 45,861,134.56/x - Step 3: Cross multiply
111,451,582.78x = 167,197,458.99 × 45,861,134.56 - Step 4: Simplify right side
111,451,582.78x = 7,667,865,164,830,473 - Step 5: Solve for x
x = 7,667,865,164,830,473/111,451,582.78 - Step 6: Final answer
x = 68,799,966.53
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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.