Finding the Fourth Proportional to 91,177,124.40, 136,765,686.60 and 27,351,716.40
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Solution
The fourth proportional to 91,177,124.40, 136,765,686.60 and 27,351,716.40 is: 41,027,574.60
Step by Step Solution
- Step 1: Write the proportion equation
91,177,124.40 : 136,765,686.60 = 27,351,716.40 : x - Step 2: Convert to fraction form
91,177,124.40/136,765,686.60 = 27,351,716.40/x - Step 3: Cross multiply
91,177,124.40x = 136,765,686.60 × 27,351,716.40 - Step 4: Simplify right side
91,177,124.40x = 3,740,776,273,134,480 - Step 5: Solve for x
x = 3,740,776,273,134,480/91,177,124.40 - Step 6: Final answer
x = 41,027,574.60
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1.5x scale
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.