Finding the Fourth Proportional to 91,879,790.40, 126,799,758.72 and 50,626,671.84
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Solution
The fourth proportional to 91,879,790.40, 126,799,758.72 and 50,626,671.84 is: 69,867,919.23
Step by Step Solution
- Step 1: Write the proportion equation
91,879,790.40 : 126,799,758.72 = 50,626,671.84 : x - Step 2: Convert to fraction form
91,879,790.40/126,799,758.72 = 50,626,671.84/x - Step 3: Cross multiply
91,879,790.40x = 126,799,758.72 × 50,626,671.84 - Step 4: Simplify right side
91,879,790.40x = 6,419,449,774,108,619 - Step 5: Solve for x
x = 6,419,449,774,108,619/91,879,790.40 - Step 6: Final answer
x = 69,867,919.23
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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.