Finding the Fourth Proportional to 67,879,910.32, 93,674,351.68 and 38,106,420.37
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Solution
The fourth proportional to 67,879,910.32, 93,674,351.68 and 38,106,420.37 is: 52,586,902.46
Step by Step Solution
- Step 1: Write the proportion equation
67,879,910.32 : 93,674,351.68 = 38,106,420.37 : x - Step 2: Convert to fraction form
67,879,910.32/93,674,351.68 = 38,106,420.37/x - Step 3: Cross multiply
67,879,910.32x = 93,674,351.68 × 38,106,420.37 - Step 4: Simplify right side
67,879,910.32x = 3,569,594,222,675,843.50 - Step 5: Solve for x
x = 3,569,594,222,675,843.50/67,879,910.32 - Step 6: Final answer
x = 52,586,902.46
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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.