Finding the Fourth Proportional to 85,699,305.24, 118,301,232.30 and 57,859,727.64
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Solution
The fourth proportional to 85,699,305.24, 118,301,232.30 and 57,859,727.64 is: 79,870,858.48
Step by Step Solution
- Step 1: Write the proportion equation
85,699,305.24 : 118,301,232.30 = 57,859,727.64 : x - Step 2: Convert to fraction form
85,699,305.24/118,301,232.30 = 57,859,727.64/x - Step 3: Cross multiply
85,699,305.24x = 118,301,232.30 × 57,859,727.64 - Step 4: Simplify right side
85,699,305.24x = 6,844,877,080,354,371 - Step 5: Solve for x
x = 6,844,877,080,354,371/85,699,305.24 - Step 6: Final answer
x = 79,870,858.48
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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.