Finding the Fourth Proportional to 201,699,129.10, 302,548,693.65 and 173,001,315.10
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Solution
The fourth proportional to 201,699,129.10, 302,548,693.65 and 173,001,315.10 is: 259,501,972.65
Step by Step Solution
- Step 1: Write the proportion equation
201,699,129.10 : 302,548,693.65 = 173,001,315.10 : x - Step 2: Convert to fraction form
201,699,129.10/302,548,693.65 = 173,001,315.10/x - Step 3: Cross multiply
201,699,129.10x = 302,548,693.65 × 173,001,315.10 - Step 4: Simplify right side
201,699,129.10x = 52,341,321,883,237,016 - Step 5: Solve for x
x = 52,341,321,883,237,016/201,699,129.10 - Step 6: Final answer
x = 259,501,972.65
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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.