Finding the Fourth Proportional to 77,168,515,715.93, 115,739,934,850.21 and 23,372,861,156.07
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Solution
The fourth proportional to 77,168,515,715.93, 115,739,934,850.21 and 23,372,861,156.07 is: 35,055,403,131.31
Step by Step Solution
- Step 1: Write the proportion equation
77,168,515,715.93 : 115,739,934,850.21 = 23,372,861,156.07 : x - Step 2: Convert to fraction form
77,168,515,715.93/115,739,934,850.21 = 23,372,861,156.07/x - Step 3: Cross multiply
77,168,515,715.93x = 115,739,934,850.21 × 23,372,861,156.07 - Step 4: Simplify right side
77,168,515,715.93x = 2,705,173,427,466,545,922,048 - Step 5: Solve for x
x = 2,705,173,427,466,545,922,048/77,168,515,715.93 - Step 6: Final answer
x = 35,055,403,131.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.