Finding the Fourth Proportional to 89,686,245.60, 134,529,368.40 and 48,765,288.60
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Solution
The fourth proportional to 89,686,245.60, 134,529,368.40 and 48,765,288.60 is: 73,147,932.90
Step by Step Solution
- Step 1: Write the proportion equation
89,686,245.60 : 134,529,368.40 = 48,765,288.60 : x - Step 2: Convert to fraction form
89,686,245.60/134,529,368.40 = 48,765,288.60/x - Step 3: Cross multiply
89,686,245.60x = 134,529,368.40 × 48,765,288.60 - Step 4: Simplify right side
89,686,245.60x = 6,560,363,475,201,721 - Step 5: Solve for x
x = 6,560,363,475,201,721/89,686,245.60 - Step 6: Final answer
x = 73,147,932.90
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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.