Finding the Fourth Proportional to 230,100,986.28, 345,199,953.87 and 74,642,655.68
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Solution
The fourth proportional to 230,100,986.28, 345,199,953.87 and 74,642,655.68 is: 111,979,708.19
Step by Step Solution
- Step 1: Write the proportion equation
230,100,986.28 : 345,199,953.87 = 74,642,655.68 : x - Step 2: Convert to fraction form
230,100,986.28/345,199,953.87 = 74,642,655.68/x - Step 3: Cross multiply
230,100,986.28x = 345,199,953.87 × 74,642,655.68 - Step 4: Simplify right side
230,100,986.28x = 25,766,641,297,470,296 - Step 5: Solve for x
x = 25,766,641,297,470,296/230,100,986.28 - Step 6: Final answer
x = 111,979,708.19
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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.