Finding the Fourth Proportional to 54,233,972.21, 81,351,620.49 and 15,896,261.95
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Solution
The fourth proportional to 54,233,972.21, 81,351,620.49 and 15,896,261.95 is: 23,844,587.01
Step by Step Solution
- Step 1: Write the proportion equation
54,233,972.21 : 81,351,620.49 = 15,896,261.95 : x - Step 2: Convert to fraction form
54,233,972.21/81,351,620.49 = 15,896,261.95/x - Step 3: Cross multiply
54,233,972.21x = 81,351,620.49 × 15,896,261.95 - Step 4: Simplify right side
54,233,972.21x = 1,293,186,669,222,259.25 - Step 5: Solve for x
x = 1,293,186,669,222,259.25/54,233,972.21 - Step 6: Final answer
x = 23,844,587.01
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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.