Finding the Fourth Proportional to 129,035,933.80, 193,553,900.70 and 113,919,389.80
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Solution
The fourth proportional to 129,035,933.80, 193,553,900.70 and 113,919,389.80 is: 170,879,084.70
Step by Step Solution
- Step 1: Write the proportion equation
129,035,933.80 : 193,553,900.70 = 113,919,389.80 : x - Step 2: Convert to fraction form
129,035,933.80/193,553,900.70 = 113,919,389.80/x - Step 3: Cross multiply
129,035,933.80x = 193,553,900.70 × 113,919,389.80 - Step 4: Simplify right side
129,035,933.80x = 22,049,542,261,153,792 - Step 5: Solve for x
x = 22,049,542,261,153,792/129,035,933.80 - Step 6: Final answer
x = 170,879,084.70
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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.