Finding the Fourth Proportional to 208,713,110.68, 288,050,664.72 and 126,207,485.92
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Solution
The fourth proportional to 208,713,110.68, 288,050,664.72 and 126,207,485.92 is: 174,182,398.48
Step by Step Solution
- Step 1: Write the proportion equation
208,713,110.68 : 288,050,664.72 = 126,207,485.92 : x - Step 2: Convert to fraction form
208,713,110.68/288,050,664.72 = 126,207,485.92/x - Step 3: Cross multiply
208,713,110.68x = 288,050,664.72 × 126,207,485.92 - Step 4: Simplify right side
208,713,110.68x = 36,354,150,211,896,048 - Step 5: Solve for x
x = 36,354,150,211,896,048/208,713,110.68 - Step 6: Final answer
x = 174,182,398.48
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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.