Finding the Fourth Proportional to 188,971,579.72, 283,354,795.74 and 85,219,391.08
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Solution
The fourth proportional to 188,971,579.72, 283,354,795.74 and 85,219,391.08 is: 127,782,829.50
Step by Step Solution
- Step 1: Write the proportion equation
188,971,579.72 : 283,354,795.74 = 85,219,391.08 : x - Step 2: Convert to fraction form
188,971,579.72/283,354,795.74 = 85,219,391.08/x - Step 3: Cross multiply
188,971,579.72x = 283,354,795.74 × 85,219,391.08 - Step 4: Simplify right side
188,971,579.72x = 24,147,323,152,560,580 - Step 5: Solve for x
x = 24,147,323,152,560,580/188,971,579.72 - Step 6: Final answer
x = 127,782,829.50
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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.