Finding the Fourth Proportional to 54,261,762.30, 74,881,321.56 and 29,482,046.28
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Solution
The fourth proportional to 54,261,762.30, 74,881,321.56 and 29,482,046.28 is: 40,685,272.54
Step by Step Solution
- Step 1: Write the proportion equation
54,261,762.30 : 74,881,321.56 = 29,482,046.28 : x - Step 2: Convert to fraction form
54,261,762.30/74,881,321.56 = 29,482,046.28/x - Step 3: Cross multiply
54,261,762.30x = 74,881,321.56 × 29,482,046.28 - Step 4: Simplify right side
54,261,762.30x = 2,207,654,587,739,482 - Step 5: Solve for x
x = 2,207,654,587,739,482/54,261,762.30 - Step 6: Final answer
x = 40,685,272.54
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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.