Finding the Fourth Proportional to 48,264,101.62, 66,541,944.14 and 31,260,128.62
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Solution
The fourth proportional to 48,264,101.62, 66,541,944.14 and 31,260,128.62 is: 43,098,486.51
Step by Step Solution
- Step 1: Write the proportion equation
48,264,101.62 : 66,541,944.14 = 31,260,128.62 : x - Step 2: Convert to fraction form
48,264,101.62/66,541,944.14 = 31,260,128.62/x - Step 3: Cross multiply
48,264,101.62x = 66,541,944.14 × 31,260,128.62 - Step 4: Simplify right side
48,264,101.62x = 2,080,109,732,441,255.25 - Step 5: Solve for x
x = 2,080,109,732,441,255.25/48,264,101.62 - Step 6: Final answer
x = 43,098,486.51
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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.