Finding the Fourth Proportional to 83,017,125.76, 124,512,917.92 and 27,685,932.81
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Solution
The fourth proportional to 83,017,125.76, 124,512,917.92 and 27,685,932.81 is: 41,524,640.23
Step by Step Solution
- Step 1: Write the proportion equation
83,017,125.76 : 124,512,917.92 = 27,685,932.81 : x - Step 2: Convert to fraction form
83,017,125.76/124,512,917.92 = 27,685,932.81/x - Step 3: Cross multiply
83,017,125.76x = 124,512,917.92 × 27,685,932.81 - Step 4: Simplify right side
83,017,125.76x = 3,447,256,279,830,007 - Step 5: Solve for x
x = 3,447,256,279,830,007/83,017,125.76 - Step 6: Final answer
x = 41,524,640.23
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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.