Finding the Fourth Proportional to 85,699,242.24, 118,301,145.42 and 57,859,664.75
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Solution
The fourth proportional to 85,699,242.24, 118,301,145.42 and 57,859,664.75 is: 79,870,771.72
Step by Step Solution
- Step 1: Write the proportion equation
85,699,242.24 : 118,301,145.42 = 57,859,664.75 : x - Step 2: Convert to fraction form
85,699,242.24/118,301,145.42 = 57,859,664.75/x - Step 3: Cross multiply
85,699,242.24x = 118,301,145.42 × 57,859,664.75 - Step 4: Simplify right side
85,699,242.24x = 6,844,864,613,286,124 - Step 5: Solve for x
x = 6,844,864,613,286,124/85,699,242.24 - Step 6: Final answer
x = 79,870,771.72
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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.