Finding the Fourth Proportional to 117,534,245.80, 176,301,368.70 and 40,831,781.80
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Solution
The fourth proportional to 117,534,245.80, 176,301,368.70 and 40,831,781.80 is: 61,247,672.70
Step by Step Solution
- Step 1: Write the proportion equation
117,534,245.80 : 176,301,368.70 = 40,831,781.80 : x - Step 2: Convert to fraction form
117,534,245.80/176,301,368.70 = 40,831,781.80/x - Step 3: Cross multiply
117,534,245.80x = 176,301,368.70 × 40,831,781.80 - Step 4: Simplify right side
117,534,245.80x = 7,198,699,017,799,749 - Step 5: Solve for x
x = 7,198,699,017,799,749/117,534,245.80 - Step 6: Final answer
x = 61,247,672.70
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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.