Finding the Fourth Proportional to 149,761,142.70, 206,678,360.35 and 83,683,244.98
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Solution
The fourth proportional to 149,761,142.70, 206,678,360.35 and 83,683,244.98 is: 115,487,339.04
Step by Step Solution
- Step 1: Write the proportion equation
149,761,142.70 : 206,678,360.35 = 83,683,244.98 : x - Step 2: Convert to fraction form
149,761,142.70/206,678,360.35 = 83,683,244.98/x - Step 3: Cross multiply
149,761,142.70x = 206,678,360.35 × 83,683,244.98 - Step 4: Simplify right side
149,761,142.70x = 17,295,515,861,125,586 - Step 5: Solve for x
x = 17,295,515,861,125,586/149,761,142.70 - Step 6: Final answer
x = 115,487,339.04
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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.