Finding the Fourth Proportional to 87,492,946,756.91, 120,759,690,353.51 and 53,191,364,674.65
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Solution
The fourth proportional to 87,492,946,756.91, 120,759,690,353.51 and 53,191,364,674.65 is: 73,415,891,973.99
Step by Step Solution
- Step 1: Write the proportion equation
87,492,946,756.91 : 120,759,690,353.51 = 53,191,364,674.65 : x - Step 2: Convert to fraction form
87,492,946,756.91/120,759,690,353.51 = 53,191,364,674.65/x - Step 3: Cross multiply
87,492,946,756.91x = 120,759,690,353.51 × 53,191,364,674.65 - Step 4: Simplify right side
87,492,946,756.91x = 6,423,372,727,591,846,805,504 - Step 5: Solve for x
x = 6,423,372,727,591,846,805,504/87,492,946,756.91 - Step 6: Final answer
x = 73,415,891,973.99
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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.