Finding the Fourth Proportional to 220,030,539.75, 303,651,592.70 and 122,245,395.75
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Solution
The fourth proportional to 220,030,539.75, 303,651,592.70 and 122,245,395.75 is: 168,703,895.20
Step by Step Solution
- Step 1: Write the proportion equation
220,030,539.75 : 303,651,592.70 = 122,245,395.75 : x - Step 2: Convert to fraction form
220,030,539.75/303,651,592.70 = 122,245,395.75/x - Step 3: Cross multiply
220,030,539.75x = 303,651,592.70 × 122,245,395.75 - Step 4: Simplify right side
220,030,539.75x = 37,120,009,119,118,080 - Step 5: Solve for x
x = 37,120,009,119,118,080/220,030,539.75 - Step 6: Final answer
x = 168,703,895.20
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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.