Finding the Fourth Proportional to 89,050,891,770.97, 122,890,309,830.70 and 48,405,803,247.63
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Solution
The fourth proportional to 89,050,891,770.97, 122,890,309,830.70 and 48,405,803,247.63 is: 66,800,051,525.64
Step by Step Solution
- Step 1: Write the proportion equation
89,050,891,770.97 : 122,890,309,830.70 = 48,405,803,247.63 : x - Step 2: Convert to fraction form
89,050,891,770.97/122,890,309,830.70 = 48,405,803,247.63/x - Step 3: Cross multiply
89,050,891,770.97x = 122,890,309,830.70 × 48,405,803,247.63 - Step 4: Simplify right side
89,050,891,770.97x = 5,948,604,158,705,154,392,064 - Step 5: Solve for x
x = 5,948,604,158,705,154,392,064/89,050,891,770.97 - Step 6: Final answer
x = 66,800,051,525.64
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1.5x scale
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.