Finding the Fourth Proportional to 78,270,836.76, 117,401,937.18 and 32,201,046.84
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Solution
The fourth proportional to 78,270,836.76, 117,401,937.18 and 32,201,046.84 is: 48,299,793.83
Step by Step Solution
- Step 1: Write the proportion equation
78,270,836.76 : 117,401,937.18 = 32,201,046.84 : x - Step 2: Convert to fraction form
78,270,836.76/117,401,937.18 = 32,201,046.84/x - Step 3: Cross multiply
78,270,836.76x = 117,401,937.18 × 32,201,046.84 - Step 4: Simplify right side
78,270,836.76x = 3,780,465,278,239,917.50 - Step 5: Solve for x
x = 3,780,465,278,239,917.50/78,270,836.76 - Step 6: Final answer
x = 48,299,793.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.