Finding the Fourth Proportional to 79,899,794.08, 110,261,714.10 and 43,230,365.08
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Solution
The fourth proportional to 79,899,794.08, 110,261,714.10 and 43,230,365.08 is: 59,657,902.87
Step by Step Solution
- Step 1: Write the proportion equation
79,899,794.08 : 110,261,714.10 = 43,230,365.08 : x - Step 2: Convert to fraction form
79,899,794.08/110,261,714.10 = 43,230,365.08/x - Step 3: Cross multiply
79,899,794.08x = 110,261,714.10 × 43,230,365.08 - Step 4: Simplify right side
79,899,794.08x = 4,766,654,154,889,583 - Step 5: Solve for x
x = 4,766,654,154,889,583/79,899,794.08 - Step 6: Final answer
x = 59,657,902.87
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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.