Finding the Fourth Proportional to 149,889,624.48, 206,767,891.92 and 91,170,249.12
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Solution
The fourth proportional to 149,889,624.48, 206,767,891.92 and 91,170,249.12 is: 125,766,411.66
Step by Step Solution
- Step 1: Write the proportion equation
149,889,624.48 : 206,767,891.92 = 91,170,249.12 : x - Step 2: Convert to fraction form
149,889,624.48/206,767,891.92 = 91,170,249.12/x - Step 3: Cross multiply
149,889,624.48x = 206,767,891.92 × 91,170,249.12 - Step 4: Simplify right side
149,889,624.48x = 18,851,080,216,363,636 - Step 5: Solve for x
x = 18,851,080,216,363,636/149,889,624.48 - Step 6: Final answer
x = 125,766,411.66
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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.