Finding the Fourth Proportional to 243,580,109.04, 365,351,787.18 and 77,576,905.80
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Solution
The fourth proportional to 243,580,109.04, 365,351,787.18 and 77,576,905.80 is: 116,359,506.08
Step by Step Solution
- Step 1: Write the proportion equation
243,580,109.04 : 365,351,787.18 = 77,576,905.80 : x - Step 2: Convert to fraction form
243,580,109.04/365,351,787.18 = 77,576,905.80/x - Step 3: Cross multiply
243,580,109.04x = 365,351,787.18 × 77,576,905.80 - Step 4: Simplify right side
243,580,109.04x = 28,342,861,177,924,508 - Step 5: Solve for x
x = 28,342,861,177,924,508/243,580,109.04 - Step 6: Final answer
x = 116,359,506.08
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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.