Finding the Fourth Proportional to 146,765,471.70, 220,148,207.55 and 37,590,431.70
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Solution
The fourth proportional to 146,765,471.70, 220,148,207.55 and 37,590,431.70 is: 56,385,647.55
Step by Step Solution
- Step 1: Write the proportion equation
146,765,471.70 : 220,148,207.55 = 37,590,431.70 : x - Step 2: Convert to fraction form
146,765,471.70/220,148,207.55 = 37,590,431.70/x - Step 3: Cross multiply
146,765,471.70x = 220,148,207.55 × 37,590,431.70 - Step 4: Simplify right side
146,765,471.70x = 8,275,466,159,785,700 - Step 5: Solve for x
x = 8,275,466,159,785,700/146,765,471.70 - Step 6: Final answer
x = 56,385,647.55
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1.5x scale
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.