Finding the Fourth Proportional to 75,422,729.60, 113,087,793.84 and 29,310,757.40
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Solution
The fourth proportional to 75,422,729.60, 113,087,793.84 and 29,310,757.40 is: 43,948,142.79
Step by Step Solution
- Step 1: Write the proportion equation
75,422,729.60 : 113,087,793.84 = 29,310,757.40 : x - Step 2: Convert to fraction form
75,422,729.60/113,087,793.84 = 29,310,757.40/x - Step 3: Cross multiply
75,422,729.60x = 113,087,793.84 × 29,310,757.40 - Step 4: Simplify right side
75,422,729.60x = 3,314,688,890,145,454.50 - Step 5: Solve for x
x = 3,314,688,890,145,454.50/75,422,729.60 - Step 6: Final answer
x = 43,948,142.79
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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.