Finding the Fourth Proportional to 140,188,662.08, 209,939,604.96 and 115,778,242.88
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Solution
The fourth proportional to 140,188,662.08, 209,939,604.96 and 115,778,242.88 is: 173,383,768.79
Step by Step Solution
- Step 1: Write the proportion equation
140,188,662.08 : 209,939,604.96 = 115,778,242.88 : x - Step 2: Convert to fraction form
140,188,662.08/209,939,604.96 = 115,778,242.88/x - Step 3: Cross multiply
140,188,662.08x = 209,939,604.96 × 115,778,242.88 - Step 4: Simplify right side
140,188,662.08x = 24,306,438,573,190,132 - Step 5: Solve for x
x = 24,306,438,573,190,132/140,188,662.08 - Step 6: Final answer
x = 173,383,768.79
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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.