Finding the Fourth Proportional to 65,974,779.99, 91,048,263.57 and 41,209,629.39
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Solution
The fourth proportional to 65,974,779.99, 91,048,263.57 and 41,209,629.39 is: 56,871,204.40
Step by Step Solution
- Step 1: Write the proportion equation
65,974,779.99 : 91,048,263.57 = 41,209,629.39 : x - Step 2: Convert to fraction form
65,974,779.99/91,048,263.57 = 41,209,629.39/x - Step 3: Cross multiply
65,974,779.99x = 91,048,263.57 × 41,209,629.39 - Step 4: Simplify right side
65,974,779.99x = 3,752,065,198,322,738 - Step 5: Solve for x
x = 3,752,065,198,322,738/65,974,779.99 - Step 6: Final answer
x = 56,871,204.40
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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.