Finding the Fourth Proportional to 308,423,739.24, 425,622,280.50 and 167,294,608.68
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Solution
The fourth proportional to 308,423,739.24, 425,622,280.50 and 167,294,608.68 is: 230,865,214.97
Step by Step Solution
- Step 1: Write the proportion equation
308,423,739.24 : 425,622,280.50 = 167,294,608.68 : x - Step 2: Convert to fraction form
308,423,739.24/425,622,280.50 = 167,294,608.68/x - Step 3: Cross multiply
308,423,739.24x = 425,622,280.50 × 167,294,608.68 - Step 4: Simplify right side
308,423,739.24x = 71,204,312,861,736,696 - Step 5: Solve for x
x = 71,204,312,861,736,696/308,423,739.24 - Step 6: Final answer
x = 230,865,214.97
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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.