Finding the Fourth Proportional to 100,736,176.10, 151,029,614.55 and 68,307,145.70
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Solution
The fourth proportional to 100,736,176.10, 151,029,614.55 and 68,307,145.70 is: 102,410,100.18
Step by Step Solution
- Step 1: Write the proportion equation
100,736,176.10 : 151,029,614.55 = 68,307,145.70 : x - Step 2: Convert to fraction form
100,736,176.10/151,029,614.55 = 68,307,145.70/x - Step 3: Cross multiply
100,736,176.10x = 151,029,614.55 × 68,307,145.70 - Step 4: Simplify right side
100,736,176.10x = 10,316,401,886,081,692 - Step 5: Solve for x
x = 10,316,401,886,081,692/100,736,176.10 - Step 6: Final answer
x = 102,410,100.18
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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.