Finding the Fourth Proportional to 226,724,311.74, 312,869,484.99 and 126,257,930.85
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Solution
The fourth proportional to 226,724,311.74, 312,869,484.99 and 126,257,930.85 is: 174,230,339.47
Step by Step Solution
- Step 1: Write the proportion equation
226,724,311.74 : 312,869,484.99 = 126,257,930.85 : x - Step 2: Convert to fraction form
226,724,311.74/312,869,484.99 = 126,257,930.85/x - Step 3: Cross multiply
226,724,311.74x = 312,869,484.99 × 126,257,930.85 - Step 4: Simplify right side
226,724,311.74x = 39,502,253,800,942,536 - Step 5: Solve for x
x = 39,502,253,800,942,536/226,724,311.74 - Step 6: Final answer
x = 174,230,339.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.