Finding the Fourth Proportional to 57,372,716.16, 79,177,155.35 and 32,262,728.13
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Solution
The fourth proportional to 57,372,716.16, 79,177,155.35 and 32,262,728.13 is: 44,524,143.32
Step by Step Solution
- Step 1: Write the proportion equation
57,372,716.16 : 79,177,155.35 = 32,262,728.13 : x - Step 2: Convert to fraction form
57,372,716.16/79,177,155.35 = 32,262,728.13/x - Step 3: Cross multiply
57,372,716.16x = 79,177,155.35 × 32,262,728.13 - Step 4: Simplify right side
57,372,716.16x = 2,554,471,037,002,511 - Step 5: Solve for x
x = 2,554,471,037,002,511/57,372,716.16 - Step 6: Final answer
x = 44,524,143.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.