Finding the Fourth Proportional to 133,728,971.82, 184,467,793.59 and 84,090,785.10
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Solution
The fourth proportional to 133,728,971.82, 184,467,793.59 and 84,090,785.10 is: 115,996,117.95
Step by Step Solution
- Step 1: Write the proportion equation
133,728,971.82 : 184,467,793.59 = 84,090,785.10 : x - Step 2: Convert to fraction form
133,728,971.82/184,467,793.59 = 84,090,785.10/x - Step 3: Cross multiply
133,728,971.82x = 184,467,793.59 × 84,090,785.10 - Step 4: Simplify right side
133,728,971.82x = 15,512,041,588,647,846 - Step 5: Solve for x
x = 15,512,041,588,647,846/133,728,971.82 - Step 6: Final answer
x = 115,996,117.95
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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.