Finding the Fourth Proportional to 83,997,906.14, 126,042,031.84 and 80,940,514.99
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Solution
The fourth proportional to 83,997,906.14, 126,042,031.84 and 80,940,514.99 is: 121,454,300.91
Step by Step Solution
- Step 1: Write the proportion equation
83,997,906.14 : 126,042,031.84 = 80,940,514.99 : x - Step 2: Convert to fraction form
83,997,906.14/126,042,031.84 = 80,940,514.99/x - Step 3: Cross multiply
83,997,906.14x = 126,042,031.84 × 80,940,514.99 - Step 4: Simplify right side
83,997,906.14x = 10,201,906,967,968,870 - Step 5: Solve for x
x = 10,201,906,967,968,870/83,997,906.14 - Step 6: Final answer
x = 121,454,300.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.