Finding the Fourth Proportional to 311,820,374.12, 467,670,958.13 and 93,470,738.81
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Solution
The fourth proportional to 311,820,374.12, 467,670,958.13 and 93,470,738.81 is: 140,188,241.70
Step by Step Solution
- Step 1: Write the proportion equation
311,820,374.12 : 467,670,958.13 = 93,470,738.81 : x - Step 2: Convert to fraction form
311,820,374.12/467,670,958.13 = 93,470,738.81/x - Step 3: Cross multiply
311,820,374.12x = 467,670,958.13 × 93,470,738.81 - Step 4: Simplify right side
311,820,374.12x = 43,713,549,974,287,000 - Step 5: Solve for x
x = 43,713,549,974,287,000/311,820,374.12 - Step 6: Final answer
x = 140,188,241.70
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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.