Finding the Fourth Proportional to 308,176,604.36, 462,258,430.09 and 75,008,617.19
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Solution
The fourth proportional to 308,176,604.36, 462,258,430.09 and 75,008,617.19 is: 112,511,349.45
Step by Step Solution
- Step 1: Write the proportion equation
308,176,604.36 : 462,258,430.09 = 75,008,617.19 : x - Step 2: Convert to fraction form
308,176,604.36/462,258,430.09 = 75,008,617.19/x - Step 3: Cross multiply
308,176,604.36x = 462,258,430.09 × 75,008,617.19 - Step 4: Simplify right side
308,176,604.36x = 34,673,365,626,439,308 - Step 5: Solve for x
x = 34,673,365,626,439,308/308,176,604.36 - Step 6: Final answer
x = 112,511,349.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.