Finding the Fourth Proportional to 80,181,557.36, 110,650,620.24 and 43,512,128.24
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Solution
The fourth proportional to 80,181,557.36, 110,650,620.24 and 43,512,128.24 is: 60,046,775.55
Step by Step Solution
- Step 1: Write the proportion equation
80,181,557.36 : 110,650,620.24 = 43,512,128.24 : x - Step 2: Convert to fraction form
80,181,557.36/110,650,620.24 = 43,512,128.24/x - Step 3: Cross multiply
80,181,557.36x = 110,650,620.24 × 43,512,128.24 - Step 4: Simplify right side
80,181,557.36x = 4,814,643,977,718,420 - Step 5: Solve for x
x = 4,814,643,977,718,420/80,181,557.36 - Step 6: Final answer
x = 60,046,775.55
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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.