Finding the Fourth Proportional to 268,491,714.68, 370,515,889.26 and 149,412,267.25
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Solution
The fourth proportional to 268,491,714.68, 370,515,889.26 and 149,412,267.25 is: 206,187,439.09
Step by Step Solution
- Step 1: Write the proportion equation
268,491,714.68 : 370,515,889.26 = 149,412,267.25 : x - Step 2: Convert to fraction form
268,491,714.68/370,515,889.26 = 149,412,267.25/x - Step 3: Cross multiply
268,491,714.68x = 370,515,889.26 × 149,412,267.25 - Step 4: Simplify right side
268,491,714.68x = 55,359,619,066,241,656 - Step 5: Solve for x
x = 55,359,619,066,241,656/268,491,714.68 - Step 6: Final answer
x = 206,187,439.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.