Finding the Fourth Proportional to 192,398,469.67, 265,507,901.92 and 107,624,489.70
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Solution
The fourth proportional to 192,398,469.67, 265,507,901.92 and 107,624,489.70 is: 148,520,684.72
Step by Step Solution
- Step 1: Write the proportion equation
192,398,469.67 : 265,507,901.92 = 107,624,489.70 : x - Step 2: Convert to fraction form
192,398,469.67/265,507,901.92 = 107,624,489.70/x - Step 3: Cross multiply
192,398,469.67x = 265,507,901.92 × 107,624,489.70 - Step 4: Simplify right side
192,398,469.67x = 28,575,152,454,649,372 - Step 5: Solve for x
x = 28,575,152,454,649,372/192,398,469.67 - Step 6: Final answer
x = 148,520,684.72
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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.