Finding the Fourth Proportional to 140,246,343.18, 193,559,179.95 and 80,706,415.68
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Solution
The fourth proportional to 140,246,343.18, 193,559,179.95 and 80,706,415.68 is: 111,385,917.68
Step by Step Solution
- Step 1: Write the proportion equation
140,246,343.18 : 193,559,179.95 = 80,706,415.68 : x - Step 2: Convert to fraction form
140,246,343.18/193,559,179.95 = 80,706,415.68/x - Step 3: Cross multiply
140,246,343.18x = 193,559,179.95 × 80,706,415.68 - Step 4: Simplify right side
140,246,343.18x = 15,621,467,635,724,622 - Step 5: Solve for x
x = 15,621,467,635,724,622/140,246,343.18 - Step 6: Final answer
x = 111,385,917.68
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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.