Finding the Fourth Proportional to 73,497,009.90, 110,245,514.85 and 51,578,021.10
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Solution
The fourth proportional to 73,497,009.90, 110,245,514.85 and 51,578,021.10 is: 77,367,031.65
Step by Step Solution
- Step 1: Write the proportion equation
73,497,009.90 : 110,245,514.85 = 51,578,021.10 : x - Step 2: Convert to fraction form
73,497,009.90/110,245,514.85 = 51,578,021.10/x - Step 3: Cross multiply
73,497,009.90x = 110,245,514.85 × 51,578,021.10 - Step 4: Simplify right side
73,497,009.90x = 5,686,245,491,113,663 - Step 5: Solve for x
x = 5,686,245,491,113,663/73,497,009.90 - Step 6: Final answer
x = 77,367,031.65
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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.