Finding the Fourth Proportional to 75,716,303.13, 113,593,563.63 and 21,128,843.25
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Solution
The fourth proportional to 75,716,303.13, 113,593,563.63 and 21,128,843.25 is: 31,698,597.28
Step by Step Solution
- Step 1: Write the proportion equation
75,716,303.13 : 113,593,563.63 = 21,128,843.25 : x - Step 2: Convert to fraction form
75,716,303.13/113,593,563.63 = 21,128,843.25/x - Step 3: Cross multiply
75,716,303.13x = 113,593,563.63 × 21,128,843.25 - Step 4: Simplify right side
75,716,303.13x = 2,400,100,600,147,171 - Step 5: Solve for x
x = 2,400,100,600,147,171/75,716,303.13 - Step 6: Final answer
x = 31,698,597.28
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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.