Finding the Fourth Proportional to 194,947,489.37, 292,418,979.75 and 47,395,885.07
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Solution
The fourth proportional to 194,947,489.37, 292,418,979.75 and 47,395,885.07 is: 71,093,279.54
Step by Step Solution
- Step 1: Write the proportion equation
194,947,489.37 : 292,418,979.75 = 47,395,885.07 : x - Step 2: Convert to fraction form
194,947,489.37/292,418,979.75 = 47,395,885.07/x - Step 3: Cross multiply
194,947,489.37x = 292,418,979.75 × 47,395,885.07 - Step 4: Simplify right side
194,947,489.37x = 13,859,456,357,248,704 - Step 5: Solve for x
x = 13,859,456,357,248,704/194,947,489.37 - Step 6: Final answer
x = 71,093,279.54
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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.