Finding the Fourth Proportional to 163,296,738.70, 244,945,108.05 and 48,271,036.30
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Solution
The fourth proportional to 163,296,738.70, 244,945,108.05 and 48,271,036.30 is: 72,406,554.45
Step by Step Solution
- Step 1: Write the proportion equation
163,296,738.70 : 244,945,108.05 = 48,271,036.30 : x - Step 2: Convert to fraction form
163,296,738.70/244,945,108.05 = 48,271,036.30/x - Step 3: Cross multiply
163,296,738.70x = 244,945,108.05 × 48,271,036.30 - Step 4: Simplify right side
163,296,738.70x = 11,823,754,202,188,972 - Step 5: Solve for x
x = 11,823,754,202,188,972/163,296,738.70 - Step 6: Final answer
x = 72,406,554.45
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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.