Finding the Fourth Proportional to 106,795,730.80, 160,193,596.20 and 30,117,761.20
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Solution
The fourth proportional to 106,795,730.80, 160,193,596.20 and 30,117,761.20 is: 45,176,641.80
Step by Step Solution
- Step 1: Write the proportion equation
106,795,730.80 : 160,193,596.20 = 30,117,761.20 : x - Step 2: Convert to fraction form
106,795,730.80/160,193,596.20 = 30,117,761.20/x - Step 3: Cross multiply
106,795,730.80x = 160,193,596.20 × 30,117,761.20 - Step 4: Simplify right side
106,795,730.80x = 4,824,672,476,120,827 - Step 5: Solve for x
x = 4,824,672,476,120,827/106,795,730.80 - Step 6: Final answer
x = 45,176,641.80
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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.