Finding the Fourth Proportional to 71,027,167.20, 106,540,750.80 and 32,763,415.20
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Solution
The fourth proportional to 71,027,167.20, 106,540,750.80 and 32,763,415.20 is: 49,145,122.80
Step by Step Solution
- Step 1: Write the proportion equation
71,027,167.20 : 106,540,750.80 = 32,763,415.20 : x - Step 2: Convert to fraction form
71,027,167.20/106,540,750.80 = 32,763,415.20/x - Step 3: Cross multiply
71,027,167.20x = 106,540,750.80 × 32,763,415.20 - Step 4: Simplify right side
71,027,167.20x = 3,490,638,854,180,132 - Step 5: Solve for x
x = 3,490,638,854,180,132/71,027,167.20 - Step 6: Final answer
x = 49,145,122.80
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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.