Finding the Fourth Proportional to 77,168,515,716.68, 115,739,934,851.34 and 23,372,861,156.82
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Solution
The fourth proportional to 77,168,515,716.68, 115,739,934,851.34 and 23,372,861,156.82 is: 35,055,403,132.44
Step by Step Solution
- Step 1: Write the proportion equation
77,168,515,716.68 : 115,739,934,851.34 = 23,372,861,156.82 : x - Step 2: Convert to fraction form
77,168,515,716.68/115,739,934,851.34 = 23,372,861,156.82/x - Step 3: Cross multiply
77,168,515,716.68x = 115,739,934,851.34 × 23,372,861,156.82 - Step 4: Simplify right side
77,168,515,716.68x = 2,705,173,427,579,761,721,344 - Step 5: Solve for x
x = 2,705,173,427,579,761,721,344/77,168,515,716.68 - Step 6: Final answer
x = 35,055,403,132.44
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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.