Finding the Fourth Proportional to 159,475,956.20, 239,325,908.70 and 68,664,717.80
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Solution
The fourth proportional to 159,475,956.20, 239,325,908.70 and 68,664,717.80 is: 103,045,288.92
Step by Step Solution
- Step 1: Write the proportion equation
159,475,956.20 : 239,325,908.70 = 68,664,717.80 : x - Step 2: Convert to fraction form
159,475,956.20/239,325,908.70 = 68,664,717.80/x - Step 3: Cross multiply
159,475,956.20x = 239,325,908.70 × 68,664,717.80 - Step 4: Simplify right side
159,475,956.20x = 16,433,245,983,114,064 - Step 5: Solve for x
x = 16,433,245,983,114,064/159,475,956.20 - Step 6: Final answer
x = 103,045,288.92
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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.