Finding the Fourth Proportional to 235,198,391.04, 352,878,469.92 and 138,235,222.08
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Solution
The fourth proportional to 235,198,391.04, 352,878,469.92 and 138,235,222.08 is: 207,400,371.41
Step by Step Solution
- Step 1: Write the proportion equation
235,198,391.04 : 352,878,469.92 = 138,235,222.08 : x - Step 2: Convert to fraction form
235,198,391.04/352,878,469.92 = 138,235,222.08/x - Step 3: Cross multiply
235,198,391.04x = 352,878,469.92 × 138,235,222.08 - Step 4: Simplify right side
235,198,391.04x = 48,780,233,656,641,808 - Step 5: Solve for x
x = 48,780,233,656,641,808/235,198,391.04 - Step 6: Final answer
x = 207,400,371.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.