Finding the Fourth Proportional to 53,185,986.80, 79,781,604.60 and 27,676,818.80
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Solution
The fourth proportional to 53,185,986.80, 79,781,604.60 and 27,676,818.80 is: 41,516,593.88
Step by Step Solution
- Step 1: Write the proportion equation
53,185,986.80 : 79,781,604.60 = 27,676,818.80 : x - Step 2: Convert to fraction form
53,185,986.80/79,781,604.60 = 27,676,818.80/x - Step 3: Cross multiply
53,185,986.80x = 79,781,604.60 × 27,676,818.80 - Step 4: Simplify right side
53,185,986.80x = 2,208,101,014,087,446.25 - Step 5: Solve for x
x = 2,208,101,014,087,446.25/53,185,986.80 - Step 6: Final answer
x = 41,516,593.88
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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.