Finding the Fourth Proportional to 245,595,919.44, 338,920,614.07 and 134,086,756.61
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Solution
The fourth proportional to 245,595,919.44, 338,920,614.07 and 134,086,756.61 is: 185,038,766.09
Step by Step Solution
- Step 1: Write the proportion equation
245,595,919.44 : 338,920,614.07 = 134,086,756.61 : x - Step 2: Convert to fraction form
245,595,919.44/338,920,614.07 = 134,086,756.61/x - Step 3: Cross multiply
245,595,919.44x = 338,920,614.07 × 134,086,756.61 - Step 4: Simplify right side
245,595,919.44x = 45,444,765,888,915,832 - Step 5: Solve for x
x = 45,444,765,888,915,832/245,595,919.44 - Step 6: Final answer
x = 185,038,766.09
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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.