Finding the Fourth Proportional to 146,700,902.80, 220,051,354.20 and 38,995,526.80
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Solution
The fourth proportional to 146,700,902.80, 220,051,354.20 and 38,995,526.80 is: 58,493,290.20
Step by Step Solution
- Step 1: Write the proportion equation
146,700,902.80 : 220,051,354.20 = 38,995,526.80 : x - Step 2: Convert to fraction form
146,700,902.80/220,051,354.20 = 38,995,526.80/x - Step 3: Cross multiply
146,700,902.80x = 220,051,354.20 × 38,995,526.80 - Step 4: Simplify right side
146,700,902.80x = 8,581,018,480,082,391 - Step 5: Solve for x
x = 8,581,018,480,082,391/146,700,902.80 - Step 6: Final answer
x = 58,493,290.20
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Double scale
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Similar ratio
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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.