Finding the Fourth Proportional to 55,292,725.53, 76,303,993.68 and 30,846,439.53
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Solution
The fourth proportional to 55,292,725.53, 76,303,993.68 and 30,846,439.53 is: 42,568,104.65
Step by Step Solution
- Step 1: Write the proportion equation
55,292,725.53 : 76,303,993.68 = 30,846,439.53 : x - Step 2: Convert to fraction form
55,292,725.53/76,303,993.68 = 30,846,439.53/x - Step 3: Cross multiply
55,292,725.53x = 76,303,993.68 × 30,846,439.53 - Step 4: Simplify right side
55,292,725.53x = 2,353,706,526,947,622.50 - Step 5: Solve for x
x = 2,353,706,526,947,622.50/55,292,725.53 - Step 6: Final answer
x = 42,568,104.65
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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.