Finding the Fourth Proportional to 76,960,204.92, 115,624,472.04 and 49,348,220.55
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Solution
The fourth proportional to 76,960,204.92, 115,624,472.04 and 49,348,220.55 is: 74,140,420.40
Step by Step Solution
- Step 1: Write the proportion equation
76,960,204.92 : 115,624,472.04 = 49,348,220.55 : x - Step 2: Convert to fraction form
76,960,204.92/115,624,472.04 = 49,348,220.55/x - Step 3: Cross multiply
76,960,204.92x = 115,624,472.04 × 49,348,220.55 - Step 4: Simplify right side
76,960,204.92x = 5,705,861,947,207,228 - Step 5: Solve for x
x = 5,705,861,947,207,228/76,960,204.92 - Step 6: Final answer
x = 74,140,420.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.