Finding the Fourth Proportional to 74,750,524.80, 112,125,787.20 and 29,313,801.60
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Solution
The fourth proportional to 74,750,524.80, 112,125,787.20 and 29,313,801.60 is: 43,970,702.40
Step by Step Solution
- Step 1: Write the proportion equation
74,750,524.80 : 112,125,787.20 = 29,313,801.60 : x - Step 2: Convert to fraction form
74,750,524.80/112,125,787.20 = 29,313,801.60/x - Step 3: Cross multiply
74,750,524.80x = 112,125,787.20 × 29,313,801.60 - Step 4: Simplify right side
74,750,524.80x = 3,286,833,080,224,620 - Step 5: Solve for x
x = 3,286,833,080,224,620/74,750,524.80 - Step 6: Final answer
x = 43,970,702.40
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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.