Finding the Fourth Proportional to 230,100,983.28, 345,199,949.37 and 74,642,652.68
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Solution
The fourth proportional to 230,100,983.28, 345,199,949.37 and 74,642,652.68 is: 111,979,703.68
Step by Step Solution
- Step 1: Write the proportion equation
230,100,983.28 : 345,199,949.37 = 74,642,652.68 : x - Step 2: Convert to fraction form
230,100,983.28/345,199,949.37 = 74,642,652.68/x - Step 3: Cross multiply
230,100,983.28x = 345,199,949.37 × 74,642,652.68 - Step 4: Simplify right side
230,100,983.28x = 25,766,639,924,252,496 - Step 5: Solve for x
x = 25,766,639,924,252,496/230,100,983.28 - Step 6: Final answer
x = 111,979,703.68
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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.