Finding the Fourth Proportional to 99,646,327.20, 149,469,490.80 and 27,842,743.20
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Solution
The fourth proportional to 99,646,327.20, 149,469,490.80 and 27,842,743.20 is: 41,764,114.80
Step by Step Solution
- Step 1: Write the proportion equation
99,646,327.20 : 149,469,490.80 = 27,842,743.20 : x - Step 2: Convert to fraction form
99,646,327.20/149,469,490.80 = 27,842,743.20/x - Step 3: Cross multiply
99,646,327.20x = 149,469,490.80 × 27,842,743.20 - Step 4: Simplify right side
99,646,327.20x = 4,161,640,648,579,163 - Step 5: Solve for x
x = 4,161,640,648,579,163/99,646,327.20 - Step 6: Final answer
x = 41,764,114.80
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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.