Finding the Fourth Proportional to 87,755,275.91, 121,106,087.51 and 48,597,052.66
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Solution
The fourth proportional to 87,755,275.91, 121,106,087.51 and 48,597,052.66 is: 67,066,040.77
Step by Step Solution
- Step 1: Write the proportion equation
87,755,275.91 : 121,106,087.51 = 48,597,052.66 : x - Step 2: Convert to fraction form
87,755,275.91/121,106,087.51 = 48,597,052.66/x - Step 3: Cross multiply
87,755,275.91x = 121,106,087.51 × 48,597,052.66 - Step 4: Simplify right side
87,755,275.91x = 5,885,398,911,624,287 - Step 5: Solve for x
x = 5,885,398,911,624,287/87,755,275.91 - Step 6: Final answer
x = 67,066,040.77
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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.