Finding the Fourth Proportional to 85,702,928.09, 118,270,735.16 and 46,544,984.88
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Solution
The fourth proportional to 85,702,928.09, 118,270,735.16 and 46,544,984.88 is: 64,232,456.26
Step by Step Solution
- Step 1: Write the proportion equation
85,702,928.09 : 118,270,735.16 = 46,544,984.88 : x - Step 2: Convert to fraction form
85,702,928.09/118,270,735.16 = 46,544,984.88/x - Step 3: Cross multiply
85,702,928.09x = 118,270,735.16 × 46,544,984.88 - Step 4: Simplify right side
85,702,928.09x = 5,504,909,579,535,960 - Step 5: Solve for x
x = 5,504,909,579,535,960/85,702,928.09 - Step 6: Final answer
x = 64,232,456.26
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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.