Finding the Fourth Proportional to 235,219,919.29, 324,603,757.73 and 130,795,748.60
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Solution
The fourth proportional to 235,219,919.29, 324,603,757.73 and 130,795,748.60 is: 180,498,282.70
Step by Step Solution
- Step 1: Write the proportion equation
235,219,919.29 : 324,603,757.73 = 130,795,748.60 : x - Step 2: Convert to fraction form
235,219,919.29/324,603,757.73 = 130,795,748.60/x - Step 3: Cross multiply
235,219,919.29x = 324,603,757.73 × 130,795,748.60 - Step 4: Simplify right side
235,219,919.29x = 42,456,791,489,372,360 - Step 5: Solve for x
x = 42,456,791,489,372,360/235,219,919.29 - Step 6: Final answer
x = 180,498,282.70
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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.