Finding the Fourth Proportional to 372,220,946.46, 558,072,865.11 and 164,846,353.50
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Solution
The fourth proportional to 372,220,946.46, 558,072,865.11 and 164,846,353.50 is: 247,155,023.58
Step by Step Solution
- Step 1: Write the proportion equation
372,220,946.46 : 558,072,865.11 = 164,846,353.50 : x - Step 2: Convert to fraction form
372,220,946.46/558,072,865.11 = 164,846,353.50/x - Step 3: Cross multiply
372,220,946.46x = 558,072,865.11 × 164,846,353.50 - Step 4: Simplify right side
372,220,946.46x = 91,996,276,800,680,880 - Step 5: Solve for x
x = 91,996,276,800,680,880/372,220,946.46 - Step 6: Final answer
x = 247,155,023.58
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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.