Finding the Fourth Proportional to 83,410,081.80, 125,115,122.70 and 28,804,519.05
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Solution
The fourth proportional to 83,410,081.80, 125,115,122.70 and 28,804,519.05 is: 43,206,778.58
Step by Step Solution
- Step 1: Write the proportion equation
83,410,081.80 : 125,115,122.70 = 28,804,519.05 : x - Step 2: Convert to fraction form
83,410,081.80/125,115,122.70 = 28,804,519.05/x - Step 3: Cross multiply
83,410,081.80x = 125,115,122.70 × 28,804,519.05 - Step 4: Simplify right side
83,410,081.80x = 3,603,880,935,255,237.50 - Step 5: Solve for x
x = 3,603,880,935,255,237.50/83,410,081.80 - Step 6: Final answer
x = 43,206,778.58
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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.