Finding the Fourth Proportional to 145,168,093.60, 217,747,474.80 and 48,128,279.20
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Solution
The fourth proportional to 145,168,093.60, 217,747,474.80 and 48,128,279.20 is: 72,190,871.99
Step by Step Solution
- Step 1: Write the proportion equation
145,168,093.60 : 217,747,474.80 = 48,128,279.20 : x - Step 2: Convert to fraction form
145,168,093.60/217,747,474.80 = 48,128,279.20/x - Step 3: Cross multiply
145,168,093.60x = 217,747,474.80 × 48,128,279.20 - Step 4: Simplify right side
145,168,093.60x = 10,479,811,262,269,366 - Step 5: Solve for x
x = 10,479,811,262,269,366/145,168,093.60 - Step 6: Final answer
x = 72,190,871.99
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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.