Finding the Fourth Proportional to 135,245,116.80, 202,509,351.36 and 71,285,339.52
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Solution
The fourth proportional to 135,245,116.80, 202,509,351.36 and 71,285,339.52 is: 106,739,143.04
Step by Step Solution
- Step 1: Write the proportion equation
135,245,116.80 : 202,509,351.36 = 71,285,339.52 : x - Step 2: Convert to fraction form
135,245,116.80/202,509,351.36 = 71,285,339.52/x - Step 3: Cross multiply
135,245,116.80x = 202,509,351.36 × 71,285,339.52 - Step 4: Simplify right side
135,245,116.80x = 14,435,947,867,672,574 - Step 5: Solve for x
x = 14,435,947,867,672,574/135,245,116.80 - Step 6: Final answer
x = 106,739,143.04
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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.