Finding the Fourth Proportional to 271,999,034.17, 408,078,599.55 and 87,763,054.09
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Solution
The fourth proportional to 271,999,034.17, 408,078,599.55 and 87,763,054.09 is: 131,670,409.48
Step by Step Solution
- Step 1: Write the proportion equation
271,999,034.17 : 408,078,599.55 = 87,763,054.09 : x - Step 2: Convert to fraction form
271,999,034.17/408,078,599.55 = 87,763,054.09/x - Step 3: Cross multiply
271,999,034.17x = 408,078,599.55 × 87,763,054.09 - Step 4: Simplify right side
271,999,034.17x = 35,814,224,206,833,764 - Step 5: Solve for x
x = 35,814,224,206,833,764/271,999,034.17 - Step 6: Final answer
x = 131,670,409.48
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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.