Finding the Fourth Proportional to 99,660,149.70, 149,206,789.35 and 99,660,149.70
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Solution
The fourth proportional to 99,660,149.70, 149,206,789.35 and 99,660,149.70 is: 149,206,789.35
Step by Step Solution
- Step 1: Write the proportion equation
99,660,149.70 : 149,206,789.35 = 99,660,149.70 : x - Step 2: Convert to fraction form
99,660,149.70/149,206,789.35 = 99,660,149.70/x - Step 3: Cross multiply
99,660,149.70x = 149,206,789.35 × 99,660,149.70 - Step 4: Simplify right side
99,660,149.70x = 14,869,970,962,877,366 - Step 5: Solve for x
x = 14,869,970,962,877,366/99,660,149.70 - Step 6: Final answer
x = 149,206,789.35
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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.