Finding the Fourth Proportional to 87,821,107.41, 121,195,785.42 and 48,659,220.12
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Solution
The fourth proportional to 87,821,107.41, 121,195,785.42 and 48,659,220.12 is: 67,151,196.04
Step by Step Solution
- Step 1: Write the proportion equation
87,821,107.41 : 121,195,785.42 = 48,659,220.12 : x - Step 2: Convert to fraction form
87,821,107.41/121,195,785.42 = 48,659,220.12/x - Step 3: Cross multiply
87,821,107.41x = 121,195,785.42 × 48,659,220.12 - Step 4: Simplify right side
87,821,107.41x = 5,897,292,400,368,066 - Step 5: Solve for x
x = 5,897,292,400,368,066/87,821,107.41 - Step 6: Final answer
x = 67,151,196.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.