Finding the Fourth Proportional to 220,183,675.30, 330,275,512.95 and 90,724,647.70
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Solution
The fourth proportional to 220,183,675.30, 330,275,512.95 and 90,724,647.70 is: 136,086,971.55
Step by Step Solution
- Step 1: Write the proportion equation
220,183,675.30 : 330,275,512.95 = 90,724,647.70 : x - Step 2: Convert to fraction form
220,183,675.30/330,275,512.95 = 90,724,647.70/x - Step 3: Cross multiply
220,183,675.30x = 330,275,512.95 × 90,724,647.70 - Step 4: Simplify right side
220,183,675.30x = 29,964,129,556,325,536 - Step 5: Solve for x
x = 29,964,129,556,325,536/220,183,675.30 - Step 6: Final answer
x = 136,086,971.55
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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.