Finding the Fourth Proportional to 168,135,770.70, 252,203,656.05 and 100,111,322.70
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Solution
The fourth proportional to 168,135,770.70, 252,203,656.05 and 100,111,322.70 is: 150,166,984.05
Step by Step Solution
- Step 1: Write the proportion equation
168,135,770.70 : 252,203,656.05 = 100,111,322.70 : x - Step 2: Convert to fraction form
168,135,770.70/252,203,656.05 = 100,111,322.70/x - Step 3: Cross multiply
168,135,770.70x = 252,203,656.05 × 100,111,322.70 - Step 4: Simplify right side
168,135,770.70x = 25,248,441,596,941,360 - Step 5: Solve for x
x = 25,248,441,596,941,360/168,135,770.70 - Step 6: Final answer
x = 150,166,984.05
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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.