Finding the Fourth Proportional to 53,087,789.80, 79,634,309.10 and 27,578,621.80
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Solution
The fourth proportional to 53,087,789.80, 79,634,309.10 and 27,578,621.80 is: 41,369,296.05
Step by Step Solution
- Step 1: Write the proportion equation
53,087,789.80 : 79,634,309.10 = 27,578,621.80 : x - Step 2: Convert to fraction form
53,087,789.80/79,634,309.10 = 27,578,621.80/x - Step 3: Cross multiply
53,087,789.80x = 79,634,309.10 × 27,578,621.80 - Step 4: Simplify right side
53,087,789.80x = 2,196,204,492,973,198.25 - Step 5: Solve for x
x = 2,196,204,492,973,198.25/53,087,789.80 - Step 6: Final answer
x = 41,369,296.05
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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.