Finding the Fourth Proportional to 201,351,807.05, 277,708,078.46 and 130,810,145.67
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Solution
The fourth proportional to 201,351,807.05, 277,708,078.46 and 130,810,145.67 is: 180,415,734.68
Step by Step Solution
- Step 1: Write the proportion equation
201,351,807.05 : 277,708,078.46 = 130,810,145.67 : x - Step 2: Convert to fraction form
201,351,807.05/277,708,078.46 = 130,810,145.67/x - Step 3: Cross multiply
201,351,807.05x = 277,708,078.46 × 130,810,145.67 - Step 4: Simplify right side
201,351,807.05x = 36,327,034,197,415,416 - Step 5: Solve for x
x = 36,327,034,197,415,416/201,351,807.05 - Step 6: Final answer
x = 180,415,734.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.