Finding the Fourth Proportional to 88,126,674.88, 121,612,392.73 and 48,967,444.80
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Solution
The fourth proportional to 88,126,674.88, 121,612,392.73 and 48,967,444.80 is: 67,573,729.93
Step by Step Solution
- Step 1: Write the proportion equation
88,126,674.88 : 121,612,392.73 = 48,967,444.80 : x - Step 2: Convert to fraction form
88,126,674.88/121,612,392.73 = 48,967,444.80/x - Step 3: Cross multiply
88,126,674.88x = 121,612,392.73 × 48,967,444.80 - Step 4: Simplify right side
88,126,674.88x = 5,955,048,127,926,128 - Step 5: Solve for x
x = 5,955,048,127,926,128/88,126,674.88 - Step 6: Final answer
x = 67,573,729.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.