Finding the Fourth Proportional to 220,748,297.83, 304,639,551.05 and 126,679,652.02
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Solution
The fourth proportional to 220,748,297.83, 304,639,551.05 and 126,679,652.02 is: 174,821,879.48
Step by Step Solution
- Step 1: Write the proportion equation
220,748,297.83 : 304,639,551.05 = 126,679,652.02 : x - Step 2: Convert to fraction form
220,748,297.83/304,639,551.05 = 126,679,652.02/x - Step 3: Cross multiply
220,748,297.83x = 304,639,551.05 × 126,679,652.02 - Step 4: Simplify right side
220,748,297.83x = 38,591,632,318,290,424 - Step 5: Solve for x
x = 38,591,632,318,290,424/220,748,297.83 - Step 6: Final answer
x = 174,821,879.48
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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.