Finding the Fourth Proportional to 125,639,803.70, 188,319,737.55 and 48,937,339.70
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Solution
The fourth proportional to 125,639,803.70, 188,319,737.55 and 48,937,339.70 is: 73,351,491.31
Step by Step Solution
- Step 1: Write the proportion equation
125,639,803.70 : 188,319,737.55 = 48,937,339.70 : x - Step 2: Convert to fraction form
125,639,803.70/188,319,737.55 = 48,937,339.70/x - Step 3: Cross multiply
125,639,803.70x = 188,319,737.55 × 48,937,339.70 - Step 4: Simplify right side
125,639,803.70x = 9,215,866,968,699,196 - Step 5: Solve for x
x = 9,215,866,968,699,196/125,639,803.70 - Step 6: Final answer
x = 73,351,491.31
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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.