Finding the Fourth Proportional to 84,217,754.94, 126,338,682.93 and 25,930,364.68
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Solution
The fourth proportional to 84,217,754.94, 126,338,682.93 and 25,930,364.68 is: 38,899,257.33
Step by Step Solution
- Step 1: Write the proportion equation
84,217,754.94 : 126,338,682.93 = 25,930,364.68 : x - Step 2: Convert to fraction form
84,217,754.94/126,338,682.93 = 25,930,364.68/x - Step 3: Cross multiply
84,217,754.94x = 126,338,682.93 × 25,930,364.68 - Step 4: Simplify right side
84,217,754.94x = 3,276,008,121,565,791 - Step 5: Solve for x
x = 3,276,008,121,565,791/84,217,754.94 - Step 6: Final answer
x = 38,899,257.33
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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.