Finding the Fourth Proportional to 88,568,190.68, 122,224,155.55 and 49,409,967.56
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Solution
The fourth proportional to 88,568,190.68, 122,224,155.55 and 49,409,967.56 is: 68,185,784.47
Step by Step Solution
- Step 1: Write the proportion equation
88,568,190.68 : 122,224,155.55 = 49,409,967.56 : x - Step 2: Convert to fraction form
88,568,190.68/122,224,155.55 = 49,409,967.56/x - Step 3: Cross multiply
88,568,190.68x = 122,224,155.55 × 49,409,967.56 - Step 4: Simplify right side
88,568,190.68x = 6,039,091,560,773,894 - Step 5: Solve for x
x = 6,039,091,560,773,894/88,568,190.68 - Step 6: Final answer
x = 68,185,784.47
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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.