Finding the Fourth Proportional to 141,080,796.96, 194,680,750.95 and 79,189,178.10
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Solution
The fourth proportional to 141,080,796.96, 194,680,750.95 and 79,189,178.10 is: 109,275,032.41
Step by Step Solution
- Step 1: Write the proportion equation
141,080,796.96 : 194,680,750.95 = 79,189,178.10 : x - Step 2: Convert to fraction form
141,080,796.96/194,680,750.95 = 79,189,178.10/x - Step 3: Cross multiply
141,080,796.96x = 194,680,750.95 × 79,189,178.10 - Step 4: Simplify right side
141,080,796.96x = 15,416,608,659,621,292 - Step 5: Solve for x
x = 15,416,608,659,621,292/141,080,796.96 - Step 6: Final answer
x = 109,275,032.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.