Finding the Fourth Proportional to 135,904,800.80, 203,857,201.20 and 84,944,007.20
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Solution
The fourth proportional to 135,904,800.80, 203,857,201.20 and 84,944,007.20 is: 127,416,010.80
Step by Step Solution
- Step 1: Write the proportion equation
135,904,800.80 : 203,857,201.20 = 84,944,007.20 : x - Step 2: Convert to fraction form
135,904,800.80/203,857,201.20 = 84,944,007.20/x - Step 3: Cross multiply
135,904,800.80x = 203,857,201.20 × 84,944,007.20 - Step 4: Simplify right side
135,904,800.80x = 17,316,447,566,504,648 - Step 5: Solve for x
x = 17,316,447,566,504,648/135,904,800.80 - Step 6: Final answer
x = 127,416,010.80
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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.