Finding the Fourth Proportional to 98,419,278.28, 135,815,972.62 and 54,365,328.98
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Solution
The fourth proportional to 98,419,278.28, 135,815,972.62 and 54,365,328.98 is: 75,022,700.45
Step by Step Solution
- Step 1: Write the proportion equation
98,419,278.28 : 135,815,972.62 = 54,365,328.98 : x - Step 2: Convert to fraction form
98,419,278.28/135,815,972.62 = 54,365,328.98/x - Step 3: Cross multiply
98,419,278.28x = 135,815,972.62 × 54,365,328.98 - Step 4: Simplify right side
98,419,278.28x = 7,383,680,032,089,059 - Step 5: Solve for x
x = 7,383,680,032,089,059/98,419,278.28 - Step 6: Final answer
x = 75,022,700.45
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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.