Finding the Fourth Proportional to 103,494,845.40, 155,242,268.10 and 97,117,553.40
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Solution
The fourth proportional to 103,494,845.40, 155,242,268.10 and 97,117,553.40 is: 145,676,330.10
Step by Step Solution
- Step 1: Write the proportion equation
103,494,845.40 : 155,242,268.10 = 97,117,553.40 : x - Step 2: Convert to fraction form
103,494,845.40/155,242,268.10 = 97,117,553.40/x - Step 3: Cross multiply
103,494,845.40x = 155,242,268.10 × 97,117,553.40 - Step 4: Simplify right side
103,494,845.40x = 15,076,749,262,138,866 - Step 5: Solve for x
x = 15,076,749,262,138,866/103,494,845.40 - Step 6: Final answer
x = 145,676,330.10
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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.