Finding the Fourth Proportional to 239,239,680.60, 358,859,521.10 and 57,486,858.60
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Solution
The fourth proportional to 239,239,680.60, 358,859,521.10 and 57,486,858.60 is: 86,230,287.95
Step by Step Solution
- Step 1: Write the proportion equation
239,239,680.60 : 358,859,521.10 = 57,486,858.60 : x - Step 2: Convert to fraction form
239,239,680.60/358,859,521.10 = 57,486,858.60/x - Step 3: Cross multiply
239,239,680.60x = 358,859,521.10 × 57,486,858.60 - Step 4: Simplify right side
239,239,680.60x = 20,629,706,546,739,420 - Step 5: Solve for x
x = 20,629,706,546,739,420/239,239,680.60 - Step 6: Final answer
x = 86,230,287.95
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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.