Finding the Fourth Proportional to 292,421,389.50, 438,628,702.64 and 71,093,983.05
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Solution
The fourth proportional to 292,421,389.50, 438,628,702.64 and 71,093,983.05 is: 106,640,152.43
Step by Step Solution
- Step 1: Write the proportion equation
292,421,389.50 : 438,628,702.64 = 71,093,983.05 : x - Step 2: Convert to fraction form
292,421,389.50/438,628,702.64 = 71,093,983.05/x - Step 3: Cross multiply
292,421,389.50x = 438,628,702.64 × 71,093,983.05 - Step 4: Simplify right side
292,421,389.50x = 31,183,861,550,376,180 - Step 5: Solve for x
x = 31,183,861,550,376,180/292,421,389.50 - Step 6: Final answer
x = 106,640,152.43
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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.