Finding the Fourth Proportional to 168,497,152.20, 252,745,728.30 and 149,365,276.20
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Solution
The fourth proportional to 168,497,152.20, 252,745,728.30 and 149,365,276.20 is: 224,047,914.30
Step by Step Solution
- Step 1: Write the proportion equation
168,497,152.20 : 252,745,728.30 = 149,365,276.20 : x - Step 2: Convert to fraction form
168,497,152.20/252,745,728.30 = 149,365,276.20/x - Step 3: Cross multiply
168,497,152.20x = 252,745,728.30 × 149,365,276.20 - Step 4: Simplify right side
168,497,152.20x = 37,751,435,515,899,656 - Step 5: Solve for x
x = 37,751,435,515,899,656/168,497,152.20 - Step 6: Final answer
x = 224,047,914.30
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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.