Finding the Fourth Proportional to 186,965,697.70, 280,448,546.55 and 106,344,129.70
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Solution
The fourth proportional to 186,965,697.70, 280,448,546.55 and 106,344,129.70 is: 159,516,194.55
Step by Step Solution
- Step 1: Write the proportion equation
186,965,697.70 : 280,448,546.55 = 106,344,129.70 : x - Step 2: Convert to fraction form
186,965,697.70/280,448,546.55 = 106,344,129.70/x - Step 3: Cross multiply
186,965,697.70x = 280,448,546.55 × 106,344,129.70 - Step 4: Simplify right side
186,965,697.70x = 29,824,056,608,489,688 - Step 5: Solve for x
x = 29,824,056,608,489,688/186,965,697.70 - Step 6: Final answer
x = 159,516,194.55
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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.