Finding the Fourth Proportional to 361,767,573.08, 542,654,717.84 and 102,982,783.92
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Solution
The fourth proportional to 361,767,573.08, 542,654,717.84 and 102,982,783.92 is: 154,475,131.85
Step by Step Solution
- Step 1: Write the proportion equation
361,767,573.08 : 542,654,717.84 = 102,982,783.92 : x - Step 2: Convert to fraction form
361,767,573.08/542,654,717.84 = 102,982,783.92/x - Step 3: Cross multiply
361,767,573.08x = 542,654,717.84 × 102,982,783.92 - Step 4: Simplify right side
361,767,573.08x = 55,884,093,550,485,296 - Step 5: Solve for x
x = 55,884,093,550,485,296/361,767,573.08 - Step 6: Final answer
x = 154,475,131.85
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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.