Finding the Fourth Proportional to 74,354,581.12, 102,609,728.64 and 41,759,534.08
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Solution
The fourth proportional to 74,354,581.12, 102,609,728.64 and 41,759,534.08 is: 57,628,385.44
Step by Step Solution
- Step 1: Write the proportion equation
74,354,581.12 : 102,609,728.64 = 41,759,534.08 : x - Step 2: Convert to fraction form
74,354,581.12/102,609,728.64 = 41,759,534.08/x - Step 3: Cross multiply
74,354,581.12x = 102,609,728.64 × 41,759,534.08 - Step 4: Simplify right side
74,354,581.12x = 4,284,934,460,081,632 - Step 5: Solve for x
x = 4,284,934,460,081,632/74,354,581.12 - Step 6: Final answer
x = 57,628,385.44
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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.