Finding the Fourth Proportional to 153,312,140.70, 229,968,211.05 and 123,079,052.70
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Solution
The fourth proportional to 153,312,140.70, 229,968,211.05 and 123,079,052.70 is: 184,618,579.05
Step by Step Solution
- Step 1: Write the proportion equation
153,312,140.70 : 229,968,211.05 = 123,079,052.70 : x - Step 2: Convert to fraction form
153,312,140.70/229,968,211.05 = 123,079,052.70/x - Step 3: Cross multiply
153,312,140.70x = 229,968,211.05 × 123,079,052.70 - Step 4: Simplify right side
153,312,140.70x = 28,304,269,567,147,676 - Step 5: Solve for x
x = 28,304,269,567,147,676/153,312,140.70 - Step 6: Final answer
x = 184,618,579.05
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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.