Finding the Fourth Proportional to 157,470,701.80, 236,206,052.70 and 147,904,763.80
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Solution
The fourth proportional to 157,470,701.80, 236,206,052.70 and 147,904,763.80 is: 221,857,145.70
Step by Step Solution
- Step 1: Write the proportion equation
157,470,701.80 : 236,206,052.70 = 147,904,763.80 : x - Step 2: Convert to fraction form
157,470,701.80/236,206,052.70 = 147,904,763.80/x - Step 3: Cross multiply
157,470,701.80x = 236,206,052.70 × 147,904,763.80 - Step 4: Simplify right side
157,470,701.80x = 34,936,000,432,723,852 - Step 5: Solve for x
x = 34,936,000,432,723,852/157,470,701.80 - Step 6: Final answer
x = 221,857,145.70
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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.