Finding the Fourth Proportional to 61,172,213.42, 84,418,005.60 and 33,294,857.14
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Solution
The fourth proportional to 61,172,213.42, 84,418,005.60 and 33,294,857.14 is: 45,947,093.94
Step by Step Solution
- Step 1: Write the proportion equation
61,172,213.42 : 84,418,005.60 = 33,294,857.14 : x - Step 2: Convert to fraction form
61,172,213.42/84,418,005.60 = 33,294,857.14/x - Step 3: Cross multiply
61,172,213.42x = 84,418,005.60 × 33,294,857.14 - Step 4: Simplify right side
61,172,213.42x = 2,810,685,436,838,710 - Step 5: Solve for x
x = 2,810,685,436,838,710/61,172,213.42 - Step 6: Final answer
x = 45,947,093.94
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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.