Finding the Fourth Proportional to 341,754,614.16, 512,635,135.32 and 82,972,107.60
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Solution
The fourth proportional to 341,754,614.16, 512,635,135.32 and 82,972,107.60 is: 124,458,941.72
Step by Step Solution
- Step 1: Write the proportion equation
341,754,614.16 : 512,635,135.32 = 82,972,107.60 : x - Step 2: Convert to fraction form
341,754,614.16/512,635,135.32 = 82,972,107.60/x - Step 3: Cross multiply
341,754,614.16x = 512,635,135.32 × 82,972,107.60 - Step 4: Simplify right side
341,754,614.16x = 42,534,417,607,311,600 - Step 5: Solve for x
x = 42,534,417,607,311,600/341,754,614.16 - Step 6: Final answer
x = 124,458,941.72
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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.