Finding the Fourth Proportional to 99,350,532.62, 137,101,229.16 and 54,696,058.91
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Solution
The fourth proportional to 99,350,532.62, 137,101,229.16 and 54,696,058.91 is: 75,479,181.72
Step by Step Solution
- Step 1: Write the proportion equation
99,350,532.62 : 137,101,229.16 = 54,696,058.91 : x - Step 2: Convert to fraction form
99,350,532.62/137,101,229.16 = 54,696,058.91/x - Step 3: Cross multiply
99,350,532.62x = 137,101,229.16 × 54,696,058.91 - Step 4: Simplify right side
99,350,532.62x = 7,498,896,906,083,264 - Step 5: Solve for x
x = 7,498,896,906,083,264/99,350,532.62 - Step 6: Final answer
x = 75,479,181.72
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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.