Finding the Fourth Proportional to 168,518,542.80, 252,777,814.20 and 149,034,997.20
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Solution
The fourth proportional to 168,518,542.80, 252,777,814.20 and 149,034,997.20 is: 223,552,495.80
Step by Step Solution
- Step 1: Write the proportion equation
168,518,542.80 : 252,777,814.20 = 149,034,997.20 : x - Step 2: Convert to fraction form
168,518,542.80/252,777,814.20 = 149,034,997.20/x - Step 3: Cross multiply
168,518,542.80x = 252,777,814.20 × 149,034,997.20 - Step 4: Simplify right side
168,518,542.80x = 37,672,740,831,519,112 - Step 5: Solve for x
x = 37,672,740,831,519,112/168,518,542.80 - Step 6: Final answer
x = 223,552,495.80
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1.5x scale
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.