Finding the Fourth Proportional to 197,451,809.70, 296,177,714.55 and 95,415,137.70
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Solution
The fourth proportional to 197,451,809.70, 296,177,714.55 and 95,415,137.70 is: 143,122,706.55
Step by Step Solution
- Step 1: Write the proportion equation
197,451,809.70 : 296,177,714.55 = 95,415,137.70 : x - Step 2: Convert to fraction form
197,451,809.70/296,177,714.55 = 95,415,137.70/x - Step 3: Cross multiply
197,451,809.70x = 296,177,714.55 × 95,415,137.70 - Step 4: Simplify right side
197,451,809.70x = 28,259,837,417,459,544 - Step 5: Solve for x
x = 28,259,837,417,459,544/197,451,809.70 - Step 6: Final answer
x = 143,122,706.55
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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.