Finding the Fourth Proportional to 55,662,184.13, 76,811,211.68 and 30,882,107.26
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Solution
The fourth proportional to 55,662,184.13, 76,811,211.68 and 30,882,107.26 is: 42,615,864.15
Step by Step Solution
- Step 1: Write the proportion equation
55,662,184.13 : 76,811,211.68 = 30,882,107.26 : x - Step 2: Convert to fraction form
55,662,184.13/76,811,211.68 = 30,882,107.26/x - Step 3: Cross multiply
55,662,184.13x = 76,811,211.68 × 30,882,107.26 - Step 4: Simplify right side
55,662,184.13x = 2,372,092,077,333,858 - Step 5: Solve for x
x = 2,372,092,077,333,858/55,662,184.13 - Step 6: Final answer
x = 42,615,864.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.