Finding the Fourth Proportional to 54,009,142.18, 74,532,706.54 and 29,229,351
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Solution
The fourth proportional to 54,009,142.18, 74,532,706.54 and 29,229,351 is: 40,336,553.27
Step by Step Solution
- Step 1: Write the proportion equation
54,009,142.18 : 74,532,706.54 = 29,229,351 : x - Step 2: Convert to fraction form
54,009,142.18/74,532,706.54 = 29,229,351/x - Step 3: Cross multiply
54,009,142.18x = 74,532,706.54 × 29,229,351 - Step 4: Simplify right side
54,009,142.18x = 2,178,542,640,437,655.75 - Step 5: Solve for x
x = 2,178,542,640,437,655.75/54,009,142.18 - Step 6: Final answer
x = 40,336,553.27
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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.