Finding the Fourth Proportional to 73,852,793.20, 110,680,167.30 and 57,477,850.21
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Solution
The fourth proportional to 73,852,793.20, 110,680,167.30 and 57,477,850.21 is: 86,139,708.49
Step by Step Solution
- Step 1: Write the proportion equation
73,852,793.20 : 110,680,167.30 = 57,477,850.21 : x - Step 2: Convert to fraction form
73,852,793.20/110,680,167.30 = 57,477,850.21/x - Step 3: Cross multiply
73,852,793.20x = 110,680,167.30 × 57,477,850.21 - Step 4: Simplify right side
73,852,793.20x = 6,361,658,077,287,140 - Step 5: Solve for x
x = 6,361,658,077,287,140/73,852,793.20 - Step 6: Final answer
x = 86,139,708.49
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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.