Finding the Fourth Proportional to 73,512,848.70, 110,269,273.05 and 53,105,514.30
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Solution
The fourth proportional to 73,512,848.70, 110,269,273.05 and 53,105,514.30 is: 79,658,271.45
Step by Step Solution
- Step 1: Write the proportion equation
73,512,848.70 : 110,269,273.05 = 53,105,514.30 : x - Step 2: Convert to fraction form
73,512,848.70/110,269,273.05 = 53,105,514.30/x - Step 3: Cross multiply
73,512,848.70x = 110,269,273.05 × 53,105,514.30 - Step 4: Simplify right side
73,512,848.70x = 5,855,906,456,807,379 - Step 5: Solve for x
x = 5,855,906,456,807,379/73,512,848.70 - Step 6: Final answer
x = 79,658,271.45
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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.