Finding the Fourth Proportional to 121,272,136,473.87, 167,344,317,335.43 and 67,077,518,694.84
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Solution
The fourth proportional to 121,272,136,473.87, 167,344,317,335.43 and 67,077,518,694.84 is: 92,560,763,757.64
Step by Step Solution
- Step 1: Write the proportion equation
121,272,136,473.87 : 167,344,317,335.43 = 67,077,518,694.84 : x - Step 2: Convert to fraction form
121,272,136,473.87/167,344,317,335.43 = 67,077,518,694.84/x - Step 3: Cross multiply
121,272,136,473.87x = 167,344,317,335.43 × 67,077,518,694.84 - Step 4: Simplify right side
121,272,136,473.87x = 11,225,041,574,542,543,159,296 - Step 5: Solve for x
x = 11,225,041,574,542,543,159,296/121,272,136,473.87 - Step 6: Final answer
x = 92,560,763,757.64
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1.5x scale
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.