Finding the Fourth Proportional to 247,563,524.18, 341,617,650.69 and 143,148,367.70
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Solution
The fourth proportional to 247,563,524.18, 341,617,650.69 and 143,148,367.70 is: 197,533,175.52
Step by Step Solution
- Step 1: Write the proportion equation
247,563,524.18 : 341,617,650.69 = 143,148,367.70 : x - Step 2: Convert to fraction form
247,563,524.18/341,617,650.69 = 143,148,367.70/x - Step 3: Cross multiply
247,563,524.18x = 341,617,650.69 × 143,148,367.70 - Step 4: Simplify right side
247,563,524.18x = 48,902,009,073,782,272 - Step 5: Solve for x
x = 48,902,009,073,782,272/247,563,524.18 - Step 6: Final answer
x = 197,533,175.52
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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.