Finding the Fourth Proportional to 208,831,832.20, 313,247,748.30 and 177,926,897.80
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Solution
The fourth proportional to 208,831,832.20, 313,247,748.30 and 177,926,897.80 is: 266,890,346.70
Step by Step Solution
- Step 1: Write the proportion equation
208,831,832.20 : 313,247,748.30 = 177,926,897.80 : x - Step 2: Convert to fraction form
208,831,832.20/313,247,748.30 = 177,926,897.80/x - Step 3: Cross multiply
208,831,832.20x = 313,247,748.30 × 177,926,897.80 - Step 4: Simplify right side
208,831,832.20x = 55,735,200,097,854,232 - Step 5: Solve for x
x = 55,735,200,097,854,232/208,831,832.20 - Step 6: Final answer
x = 266,890,346.70
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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.