Finding the Fourth Proportional to 83,519,729.33, 115,259,847.50 and 48,236,878.98
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Solution
The fourth proportional to 83,519,729.33, 115,259,847.50 and 48,236,878.98 is: 66,568,406.77
Step by Step Solution
- Step 1: Write the proportion equation
83,519,729.33 : 115,259,847.50 = 48,236,878.98 : x - Step 2: Convert to fraction form
83,519,729.33/115,259,847.50 = 48,236,878.98/x - Step 3: Cross multiply
83,519,729.33x = 115,259,847.50 × 48,236,878.98 - Step 4: Simplify right side
83,519,729.33x = 5,559,775,314,869,571 - Step 5: Solve for x
x = 5,559,775,314,869,571/83,519,729.33 - Step 6: Final answer
x = 66,568,406.77
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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.