Finding the Fourth Proportional to 166,354,204.48, 229,553,395.84 and 92,013,165.12
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Solution
The fourth proportional to 166,354,204.48, 229,553,395.84 and 92,013,165.12 is: 126,969,646.37
Step by Step Solution
- Step 1: Write the proportion equation
166,354,204.48 : 229,553,395.84 = 92,013,165.12 : x - Step 2: Convert to fraction form
166,354,204.48/229,553,395.84 = 92,013,165.12/x - Step 3: Cross multiply
166,354,204.48x = 229,553,395.84 × 92,013,165.12 - Step 4: Simplify right side
166,354,204.48x = 21,121,934,515,282,644 - Step 5: Solve for x
x = 21,121,934,515,282,644/166,354,204.48 - Step 6: Final answer
x = 126,969,646.37
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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.