Finding the Fourth Proportional to 149,724,280.60, 224,586,420.90 and 73,007,819.80
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Solution
The fourth proportional to 149,724,280.60, 224,586,420.90 and 73,007,819.80 is: 109,511,729.70
Step by Step Solution
- Step 1: Write the proportion equation
149,724,280.60 : 224,586,420.90 = 73,007,819.80 : x - Step 2: Convert to fraction form
149,724,280.60/224,586,420.90 = 73,007,819.80/x - Step 3: Cross multiply
149,724,280.60x = 224,586,420.90 × 73,007,819.80 - Step 4: Simplify right side
149,724,280.60x = 16,396,564,946,594,154 - Step 5: Solve for x
x = 16,396,564,946,594,154/149,724,280.60 - Step 6: Final answer
x = 109,511,729.70
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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.